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isdn: clean up debug format string usage

Browse Source 
Avoid unneeded local string buffers for constructing debug output.  Also
cleans up debug calls that contain a single parameter so that they cannot
be accidentally parsed as format strings.

Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Karsten Keil <isdn@linux-pingi.de>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Kees Cook 2013-09-13 14:52:04 -07:00 committed by David S. Miller
parent a2a69f0b35
commit 35a4a5733b
19 changed files with 57 additions and 79 deletions
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4
drivers/isdn/hisax/amd7930_fn.c
View File

@ -314,7 +314,7 @@ Amd7930_empty_Dfifo(struct IsdnCardState *cs, int flag)
t += sprintf(t, "Amd7930: empty_Dfifo cnt: %d |", cs->rcvidx);
QuickHex(t, cs->rcvbuf, cs->rcvidx);
debugl1(cs, cs->dlog);
debugl1(cs, "%s", cs->dlog);
}
/* moves received data in sk-buffer */
memcpy(skb_put(skb, cs->rcvidx), cs->rcvbuf, cs->rcvidx);
@ -406,7 +406,7 @@ Amd7930_fill_Dfifo(struct IsdnCardState *cs)
t += sprintf(t, "Amd7930: fill_Dfifo cnt: %d |", count);
QuickHex(t, deb_ptr, count);
debugl1(cs, cs->dlog);
debugl1(cs, "%s", cs->dlog);
}
/* AMD interrupts on */
AmdIrqOn(cs);

4
drivers/isdn/hisax/avm_pci.c
View File

@ -285,7 +285,7 @@ hdlc_empty_fifo(struct BCState *bcs, int count)
t += sprintf(t, "hdlc_empty_fifo %c cnt %d",
bcs->channel ? 'B' : 'A', count);
QuickHex(t, p, count);
debugl1(cs, bcs->blog);
debugl1(cs, "%s", bcs->blog);
}
}
@ -345,7 +345,7 @@ hdlc_fill_fifo(struct BCState *bcs)
t += sprintf(t, "hdlc_fill_fifo %c cnt %d",
bcs->channel ? 'B' : 'A', count);
QuickHex(t, p, count);
debugl1(cs, bcs->blog);
debugl1(cs, "%s", bcs->blog);
}
}

2
drivers/isdn/hisax/config.c
View File

@ -1896,7 +1896,7 @@ static void EChannel_proc_rcv(struct hisax_d_if *d_if)
ptr--;
*ptr++ = '\n';
*ptr = 0;
HiSax_putstatus(cs, NULL, cs->dlog);
HiSax_putstatus(cs, NULL, "%s", cs->dlog);
} else
HiSax_putstatus(cs, "LogEcho: ",
"warning Frame too big (%d)",

4
drivers/isdn/hisax/diva.c
View File

@ -427,7 +427,7 @@ Memhscx_empty_fifo(struct BCState *bcs, int count)
t += sprintf(t, "hscx_empty_fifo %c cnt %d",
bcs->hw.hscx.hscx ? 'B' : 'A', count);
QuickHex(t, ptr, count);
debugl1(cs, bcs->blog);
debugl1(cs, "%s", bcs->blog);
}
}
@ -469,7 +469,7 @@ Memhscx_fill_fifo(struct BCState *bcs)
t += sprintf(t, "hscx_fill_fifo %c cnt %d",
bcs->hw.hscx.hscx ? 'B' : 'A', count);
QuickHex(t, ptr, count);
debugl1(cs, bcs->blog);
debugl1(cs, "%s", bcs->blog);
}
}

2
drivers/isdn/hisax/elsa.c
View File

@ -535,7 +535,7 @@ check_arcofi(struct IsdnCardState *cs)
t = tmp;
t += sprintf(tmp, "Arcofi data");
QuickHex(t, p, cs->dc.isac.mon_rxp);
debugl1(cs, tmp);
debugl1(cs, "%s", tmp);
if ((cs->dc.isac.mon_rxp == 2) && (cs->dc.isac.mon_rx[0] == 0xa0)) {
switch (cs->dc.isac.mon_rx[1]) {
case 0x80:

2
drivers/isdn/hisax/elsa_ser.c
View File

@ -344,7 +344,7 @@ static inline void receive_chars(struct IsdnCardState *cs,
t += sprintf(t, "modem read cnt %d", cs->hw.elsa.rcvcnt);
QuickHex(t, cs->hw.elsa.rcvbuf, cs->hw.elsa.rcvcnt);
debugl1(cs, tmp);
debugl1(cs, "%s", tmp);
}
cs->hw.elsa.rcvcnt = 0;
}

2
drivers/isdn/hisax/hfc_pci.c
View File

@ -901,7 +901,7 @@ receive_emsg(struct IsdnCardState *cs)
ptr--;
*ptr++ = '\n';
*ptr = 0;
HiSax_putstatus(cs, NULL, cs->dlog);
HiSax_putstatus(cs, NULL, "%s", cs->dlog);
} else
HiSax_putstatus(cs, "LogEcho: ", "warning Frame too big (%d)", total - 3);
}

2
drivers/isdn/hisax/hfc_sx.c
View File

@ -674,7 +674,7 @@ receive_emsg(struct IsdnCardState *cs)
ptr--;
*ptr++ = '\n';
*ptr = 0;
HiSax_putstatus(cs, NULL, cs->dlog);
HiSax_putstatus(cs, NULL, "%s", cs->dlog);
} else
HiSax_putstatus(cs, "LogEcho: ", "warning Frame too big (%d)", skb->len);
}

4
drivers/isdn/hisax/hscx_irq.c
View File

@ -75,7 +75,7 @@ hscx_empty_fifo(struct BCState *bcs, int count)
t += sprintf(t, "hscx_empty_fifo %c cnt %d",
bcs->hw.hscx.hscx ? 'B' : 'A', count);
QuickHex(t, ptr, count);
debugl1(cs, bcs->blog);
debugl1(cs, "%s", bcs->blog);
}
}
@ -115,7 +115,7 @@ hscx_fill_fifo(struct BCState *bcs)
t += sprintf(t, "hscx_fill_fifo %c cnt %d",
bcs->hw.hscx.hscx ? 'B' : 'A', count);
QuickHex(t, ptr, count);
debugl1(cs, bcs->blog);
debugl1(cs, "%s", bcs->blog);
}
}

4
drivers/isdn/hisax/icc.c
View File

@ -134,7 +134,7 @@ icc_empty_fifo(struct IsdnCardState *cs, int count)
t += sprintf(t, "icc_empty_fifo cnt %d", count);
QuickHex(t, ptr, count);
debugl1(cs, cs->dlog);
debugl1(cs, "%s", cs->dlog);
}
}
@ -176,7 +176,7 @@ icc_fill_fifo(struct IsdnCardState *cs)
t += sprintf(t, "icc_fill_fifo cnt %d", count);
QuickHex(t, ptr, count);
debugl1(cs, cs->dlog);
debugl1(cs, "%s", cs->dlog);
}
}

8
drivers/isdn/hisax/ipacx.c
View File

@ -260,7 +260,7 @@ dch_empty_fifo(struct IsdnCardState *cs, int count)
t += sprintf(t, "dch_empty_fifo() cnt %d", count);
QuickHex(t, ptr, count);
debugl1(cs, cs->dlog);
debugl1(cs, "%s", cs->dlog);
}
}
@ -307,7 +307,7 @@ dch_fill_fifo(struct IsdnCardState *cs)
t += sprintf(t, "dch_fill_fifo() cnt %d", count);
QuickHex(t, ptr, count);
debugl1(cs, cs->dlog);
debugl1(cs, "%s", cs->dlog);
}
}
@ -539,7 +539,7 @@ bch_empty_fifo(struct BCState *bcs, int count)
t += sprintf(t, "bch_empty_fifo() B-%d cnt %d", hscx, count);
QuickHex(t, ptr, count);
debugl1(cs, bcs->blog);
debugl1(cs, "%s", bcs->blog);
}
}
@ -582,7 +582,7 @@ bch_fill_fifo(struct BCState *bcs)
t += sprintf(t, "chb_fill_fifo() B-%d cnt %d", hscx, count);
QuickHex(t, ptr, count);
debugl1(cs, bcs->blog);
debugl1(cs, "%s", bcs->blog);
}
}

4
drivers/isdn/hisax/isac.c
View File

@ -137,7 +137,7 @@ isac_empty_fifo(struct IsdnCardState *cs, int count)
t += sprintf(t, "isac_empty_fifo cnt %d", count);
QuickHex(t, ptr, count);
debugl1(cs, cs->dlog);
debugl1(cs, "%s", cs->dlog);
}
}
@ -179,7 +179,7 @@ isac_fill_fifo(struct IsdnCardState *cs)
t += sprintf(t, "isac_fill_fifo cnt %d", count);
QuickHex(t, ptr, count);
debugl1(cs, cs->dlog);
debugl1(cs, "%s", cs->dlog);
}
}

6
drivers/isdn/hisax/isar.c
View File

@ -74,7 +74,7 @@ sendmsg(struct IsdnCardState *cs, u_char his, u_char creg, u_char len,
t = tmp;
t += sprintf(t, "sendmbox cnt %d", len);
QuickHex(t, &msg[len-i], (i > 64) ? 64 : i);
debugl1(cs, tmp);
debugl1(cs, "%s", tmp);
i -= 64;
}
}
@ -105,7 +105,7 @@ rcv_mbox(struct IsdnCardState *cs, struct isar_reg *ireg, u_char *msg)
t = tmp;
t += sprintf(t, "rcv_mbox cnt %d", ireg->clsb);
QuickHex(t, &msg[ireg->clsb - i], (i > 64) ? 64 : i);
debugl1(cs, tmp);
debugl1(cs, "%s", tmp);
i -= 64;
}
}
@ -1248,7 +1248,7 @@ isar_int_main(struct IsdnCardState *cs)
tp += sprintf(debbuf, "msg iis(%x) msb(%x)",
ireg->iis, ireg->cmsb);
QuickHex(tp, (u_char *)ireg->par, ireg->clsb);
debugl1(cs, debbuf);
debugl1(cs, "%s", debbuf);
}
break;
case ISAR_IIS_INVMSG:

18
drivers/isdn/hisax/jade.c
View File

@ -81,10 +81,7 @@ modejade(struct BCState *bcs, int mode, int bc)
int jade = bcs->hw.hscx.hscx;
if (cs->debug & L1_DEB_HSCX) {
char tmp[40];
sprintf(tmp, "jade %c mode %d ichan %d",
'A' + jade, mode, bc);
debugl1(cs, tmp);
debugl1(cs, "jade %c mode %d ichan %d", 'A' + jade, mode, bc);
}
bcs->mode = mode;
bcs->channel = bc;
@ -257,23 +254,18 @@ void
clear_pending_jade_ints(struct IsdnCardState *cs)
{
int val;
char tmp[64];
cs->BC_Write_Reg(cs, 0, jade_HDLC_IMR, 0x00);
cs->BC_Write_Reg(cs, 1, jade_HDLC_IMR, 0x00);
val = cs->BC_Read_Reg(cs, 1, jade_HDLC_ISR);
sprintf(tmp, "jade B ISTA %x", val);
debugl1(cs, tmp);
debugl1(cs, "jade B ISTA %x", val);
val = cs->BC_Read_Reg(cs, 0, jade_HDLC_ISR);
sprintf(tmp, "jade A ISTA %x", val);
debugl1(cs, tmp);
debugl1(cs, "jade A ISTA %x", val);
val = cs->BC_Read_Reg(cs, 1, jade_HDLC_STAR);
sprintf(tmp, "jade B STAR %x", val);
debugl1(cs, tmp);
debugl1(cs, "jade B STAR %x", val);
val = cs->BC_Read_Reg(cs, 0, jade_HDLC_STAR);
sprintf(tmp, "jade A STAR %x", val);
debugl1(cs, tmp);
debugl1(cs, "jade A STAR %x", val);
/* Unmask ints */
cs->BC_Write_Reg(cs, 0, jade_HDLC_IMR, 0xF8);
cs->BC_Write_Reg(cs, 1, jade_HDLC_IMR, 0xF8);

4
drivers/isdn/hisax/jade_irq.c
View File

@ -65,7 +65,7 @@ jade_empty_fifo(struct BCState *bcs, int count)
t += sprintf(t, "jade_empty_fifo %c cnt %d",
bcs->hw.hscx.hscx ? 'B' : 'A', count);
QuickHex(t, ptr, count);
debugl1(cs, bcs->blog);
debugl1(cs, "%s", bcs->blog);
}
}
@ -105,7 +105,7 @@ jade_fill_fifo(struct BCState *bcs)
t += sprintf(t, "jade_fill_fifo %c cnt %d",
bcs->hw.hscx.hscx ? 'B' : 'A', count);
QuickHex(t, ptr, count);
debugl1(cs, bcs->blog);
debugl1(cs, "%s", bcs->blog);
}
}

50
drivers/isdn/hisax/l3_1tr6.c
View File

@ -63,7 +63,7 @@ l3_1tr6_error(struct l3_process *pc, u_char *msg, struct sk_buff *skb)
{
dev_kfree_skb(skb);
if (pc->st->l3.debug & L3_DEB_WARN)
l3_debug(pc->st, msg);
l3_debug(pc->st, "%s", msg);
l3_1tr6_release_req(pc, 0, NULL);
}
@ -161,7 +161,6 @@ l3_1tr6_setup(struct l3_process *pc, u_char pr, void *arg)
{
u_char *p;
int bcfound = 0;
char tmp[80];
struct sk_buff *skb = arg;
/* Channel Identification */
@ -214,10 +213,9 @@ l3_1tr6_setup(struct l3_process *pc, u_char pr, void *arg)
/* Signal all services, linklevel takes care of Service-Indicator */
if (bcfound) {
if ((pc->para.setup.si1 != 7) && (pc->st->l3.debug & L3_DEB_WARN)) {
sprintf(tmp, "non-digital call: %s -> %s",
l3_debug(pc->st, "non-digital call: %s -> %s",
pc->para.setup.phone,
pc->para.setup.eazmsn);
l3_debug(pc->st, tmp);
}
newl3state(pc, 6);
pc->st->l3.l3l4(pc->st, CC_SETUP | INDICATION, pc);
@ -301,7 +299,7 @@ l3_1tr6_info(struct l3_process *pc, u_char pr, void *arg)
{
u_char *p;
int i, tmpcharge = 0;
char a_charge[8], tmp[32];
char a_charge[8];
struct sk_buff *skb = arg;
p = skb->data;
@ -316,8 +314,8 @@ l3_1tr6_info(struct l3_process *pc, u_char pr, void *arg)
pc->st->l3.l3l4(pc->st, CC_CHARGE | INDICATION, pc);
}
if (pc->st->l3.debug & L3_DEB_CHARGE) {
sprintf(tmp, "charging info %d", pc->para.chargeinfo);
l3_debug(pc->st, tmp);
l3_debug(pc->st, "charging info %d",
pc->para.chargeinfo);
}
} else if (pc->st->l3.debug & L3_DEB_CHARGE)
l3_debug(pc->st, "charging info not found");
@ -399,7 +397,7 @@ l3_1tr6_disc(struct l3_process *pc, u_char pr, void *arg)
struct sk_buff *skb = arg;
u_char *p;
int i, tmpcharge = 0;
char a_charge[8], tmp[32];
char a_charge[8];
StopAllL3Timer(pc);
p = skb->data;
@ -414,8 +412,8 @@ l3_1tr6_disc(struct l3_process *pc, u_char pr, void *arg)
pc->st->l3.l3l4(pc->st, CC_CHARGE | INDICATION, pc);
}
if (pc->st->l3.debug & L3_DEB_CHARGE) {
sprintf(tmp, "charging info %d", pc->para.chargeinfo);
l3_debug(pc->st, tmp);
l3_debug(pc->st, "charging info %d",
pc->para.chargeinfo);
}
} else if (pc->st->l3.debug & L3_DEB_CHARGE)
l3_debug(pc->st, "charging info not found");
@ -746,7 +744,6 @@ up1tr6(struct PStack *st, int pr, void *arg)
int i, mt, cr;
struct l3_process *proc;
struct sk_buff *skb = arg;
char tmp[80];
switch (pr) {
case (DL_DATA | INDICATION):
@ -762,26 +759,23 @@ up1tr6(struct PStack *st, int pr, void *arg)
}
if (skb->len < 4) {
if (st->l3.debug & L3_DEB_PROTERR) {
sprintf(tmp, "up1tr6 len only %d", skb->len);
l3_debug(st, tmp);
l3_debug(st, "up1tr6 len only %d", skb->len);
}
dev_kfree_skb(skb);
return;
}
if ((skb->data[0] & 0xfe) != PROTO_DIS_N0) {
if (st->l3.debug & L3_DEB_PROTERR) {
sprintf(tmp, "up1tr6%sunexpected discriminator %x message len %d",
l3_debug(st, "up1tr6%sunexpected discriminator %x message len %d",
(pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
skb->data[0], skb->len);
l3_debug(st, tmp);
}
dev_kfree_skb(skb);
return;
}
if (skb->data[1] != 1) {
if (st->l3.debug & L3_DEB_PROTERR) {
sprintf(tmp, "up1tr6 CR len not 1");
l3_debug(st, tmp);
l3_debug(st, "up1tr6 CR len not 1");
}
dev_kfree_skb(skb);
return;
@ -791,9 +785,8 @@ up1tr6(struct PStack *st, int pr, void *arg)
if (skb->data[0] == PROTO_DIS_N0) {
dev_kfree_skb(skb);
if (st->l3.debug & L3_DEB_STATE) {
sprintf(tmp, "up1tr6%s N0 mt %x unhandled",
l3_debug(st, "up1tr6%s N0 mt %x unhandled",
(pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ", mt);
l3_debug(st, tmp);
}
} else if (skb->data[0] == PROTO_DIS_N1) {
if (!(proc = getl3proc(st, cr))) {
@ -801,8 +794,7 @@ up1tr6(struct PStack *st, int pr, void *arg)
if (cr < 128) {
if (!(proc = new_l3_process(st, cr))) {
if (st->l3.debug & L3_DEB_PROTERR) {
sprintf(tmp, "up1tr6 no roc mem");
l3_debug(st, tmp);
l3_debug(st, "up1tr6 no roc mem");
}
dev_kfree_skb(skb);
return;
@ -821,8 +813,7 @@ up1tr6(struct PStack *st, int pr, void *arg)
} else {
if (!(proc = new_l3_process(st, cr))) {
if (st->l3.debug & L3_DEB_PROTERR) {
sprintf(tmp, "up1tr6 no roc mem");
l3_debug(st, tmp);
l3_debug(st, "up1tr6 no roc mem");
}
dev_kfree_skb(skb);
return;
@ -837,18 +828,16 @@ up1tr6(struct PStack *st, int pr, void *arg)
if (i == ARRAY_SIZE(datastln1)) {
dev_kfree_skb(skb);
if (st->l3.debug & L3_DEB_STATE) {
sprintf(tmp, "up1tr6%sstate %d mt %x unhandled",
l3_debug(st, "up1tr6%sstate %d mt %x unhandled",
(pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
proc->state, mt);
l3_debug(st, tmp);
}
return;
} else {
if (st->l3.debug & L3_DEB_STATE) {
sprintf(tmp, "up1tr6%sstate %d mt %x",
l3_debug(st, "up1tr6%sstate %d mt %x",
(pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
proc->state, mt);
l3_debug(st, tmp);
}
datastln1[i].rout(proc, pr, skb);
}
@ -861,7 +850,6 @@ down1tr6(struct PStack *st, int pr, void *arg)
int i, cr;
struct l3_process *proc;
struct Channel *chan;
char tmp[80];
if ((DL_ESTABLISH | REQUEST) == pr) {
l3_msg(st, pr, NULL);
@ -888,15 +876,13 @@ down1tr6(struct PStack *st, int pr, void *arg)
break;
if (i == ARRAY_SIZE(downstl)) {
if (st->l3.debug & L3_DEB_STATE) {
sprintf(tmp, "down1tr6 state %d prim %d unhandled",
l3_debug(st, "down1tr6 state %d prim %d unhandled",
proc->state, pr);
l3_debug(st, tmp);
}
} else {
if (st->l3.debug & L3_DEB_STATE) {
sprintf(tmp, "down1tr6 state %d prim %d",
l3_debug(st, "down1tr6 state %d prim %d",
proc->state, pr);
l3_debug(st, tmp);
}
downstl[i].rout(proc, pr, arg);
}

2
drivers/isdn/hisax/netjet.c
View File

@ -176,7 +176,7 @@ static void printframe(struct IsdnCardState *cs, u_char *buf, int count, char *s
else
j = i;
QuickHex(t, p, j);
debugl1(cs, tmp);
debugl1(cs, "%s", tmp);
p += j;
i -= j;
t = tmp;

6
drivers/isdn/hisax/q931.c
View File

@ -1179,7 +1179,7 @@ LogFrame(struct IsdnCardState *cs, u_char *buf, int size)
dp--;
*dp++ = '\n';
*dp = 0;
HiSax_putstatus(cs, NULL, cs->dlog);
HiSax_putstatus(cs, NULL, "%s", cs->dlog);
} else
HiSax_putstatus(cs, "LogFrame: ", "warning Frame too big (%d)", size);
}
@ -1246,7 +1246,7 @@ dlogframe(struct IsdnCardState *cs, struct sk_buff *skb, int dir)
}
if (finish) {
*dp = 0;
HiSax_putstatus(cs, NULL, cs->dlog);
HiSax_putstatus(cs, NULL, "%s", cs->dlog);
return;
}
if ((0xfe & buf[0]) == PROTO_DIS_N0) { /* 1TR6 */
@ -1509,5 +1509,5 @@ dlogframe(struct IsdnCardState *cs, struct sk_buff *skb, int dir)
dp += sprintf(dp, "Unknown protocol %x!", buf[0]);
}
*dp = 0;
HiSax_putstatus(cs, NULL, cs->dlog);
HiSax_putstatus(cs, NULL, "%s", cs->dlog);
}

8
drivers/isdn/hisax/w6692.c
View File

@ -154,7 +154,7 @@ W6692_empty_fifo(struct IsdnCardState *cs, int count)
t += sprintf(t, "W6692_empty_fifo cnt %d", count);
QuickHex(t, ptr, count);
debugl1(cs, cs->dlog);
debugl1(cs, "%s", cs->dlog);
}
}
@ -196,7 +196,7 @@ W6692_fill_fifo(struct IsdnCardState *cs)
t += sprintf(t, "W6692_fill_fifo cnt %d", count);
QuickHex(t, ptr, count);
debugl1(cs, cs->dlog);
debugl1(cs, "%s", cs->dlog);
}
}
@ -226,7 +226,7 @@ W6692B_empty_fifo(struct BCState *bcs, int count)
t += sprintf(t, "W6692B_empty_fifo %c cnt %d",
bcs->channel + '1', count);
QuickHex(t, ptr, count);
debugl1(cs, bcs->blog);
debugl1(cs, "%s", bcs->blog);
}
}
@ -264,7 +264,7 @@ W6692B_fill_fifo(struct BCState *bcs)
t += sprintf(t, "W6692B_fill_fifo %c cnt %d",
bcs->channel + '1', count);
QuickHex(t, ptr, count);
debugl1(cs, bcs->blog);
debugl1(cs, "%s", bcs->blog);
}
}