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rfkill: use strict_strtoul (v2)

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Switch sysfs parsing to something that actually works properly.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Henrique de Moraes Holschuh 2008-08-26 11:57:57 -03:00 committed by John W. Linville
parent 5701ed843e
commit 849e0576a7
1 changed files with 12 additions and 2 deletions
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14
net/rfkill/rfkill.c
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@ -402,12 +402,16 @@ static ssize_t rfkill_state_store(struct device *dev,
const char *buf, size_t count)
{
struct rfkill *rfkill = to_rfkill(dev);
unsigned int state = simple_strtoul(buf, NULL, 0);
unsigned long state;
int error;
if (!capable(CAP_NET_ADMIN))
return -EPERM;
error = strict_strtoul(buf, 0, &state);
if (error)
return error;
/* RFKILL_STATE_HARD_BLOCKED is illegal here... */
if (state != RFKILL_STATE_UNBLOCKED &&
state != RFKILL_STATE_SOFT_BLOCKED)
@ -435,7 +439,8 @@ static ssize_t rfkill_claim_store(struct device *dev,
const char *buf, size_t count)
{
struct rfkill *rfkill = to_rfkill(dev);
bool claim = !!simple_strtoul(buf, NULL, 0);
unsigned long claim_tmp;
bool claim;
int error;
if (!capable(CAP_NET_ADMIN))
@ -444,6 +449,11 @@ static ssize_t rfkill_claim_store(struct device *dev,
if (rfkill->user_claim_unsupported)
return -EOPNOTSUPP;
error = strict_strtoul(buf, 0, &claim_tmp);
if (error)
return error;
claim = !!claim_tmp;
/*
* Take the global lock to make sure the kernel is not in
* the middle of rfkill_switch_all