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[media] gspca - stk014 / t613: Accept the index 0 in querymenu

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This patch fixes the kernel bug #15122.

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Jean-François Moine 2011-05-17 03:58:57 -03:00 committed by Mauro Carvalho Chehab
parent f7242d3003
commit bff6069dc1
2 changed files with 12 additions and 20 deletions
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13
drivers/media/video/gspca/stk014.c
View File

@ -436,17 +436,14 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
static int sd_querymenu(struct gspca_dev *gspca_dev,
struct v4l2_querymenu *menu)
{
static const char *freq_nm[3] = {"NoFliker", "50 Hz", "60 Hz"};
switch (menu->id) {
case V4L2_CID_POWER_LINE_FREQUENCY:
switch (menu->index) {
case 1: /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */
strcpy((char *) menu->name, "50 Hz");
return 0;
case 2: /* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */
strcpy((char *) menu->name, "60 Hz");
return 0;
}
if ((unsigned) menu->index >= ARRAY_SIZE(freq_nm))
break;
strcpy((char *) menu->name, freq_nm[menu->index]);
return 0;
}
return -EINVAL;
}

15
drivers/media/video/gspca/t613.c
View File

@ -92,8 +92,6 @@ static int sd_setmirror(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getmirror(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_seteffect(struct gspca_dev *gspca_dev, __s32 val);
static int sd_geteffect(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_querymenu(struct gspca_dev *gspca_dev,
struct v4l2_querymenu *menu);
static const struct ctrl sd_ctrls[] = {
{
@ -1379,17 +1377,14 @@ static int sd_getlowlight(struct gspca_dev *gspca_dev, __s32 *val)
static int sd_querymenu(struct gspca_dev *gspca_dev,
struct v4l2_querymenu *menu)
{
static const char *freq_nm[3] = {"NoFliker", "50 Hz", "60 Hz"};
switch (menu->id) {
case V4L2_CID_POWER_LINE_FREQUENCY:
switch (menu->index) {
case 1: /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */
strcpy((char *) menu->name, "50 Hz");
return 0;
case 2: /* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */
strcpy((char *) menu->name, "60 Hz");
return 0;
}
if ((unsigned) menu->index >= ARRAY_SIZE(freq_nm))
break;
strcpy((char *) menu->name, freq_nm[menu->index]);
return 0;
case V4L2_CID_EFFECTS:
if ((unsigned) menu->index < ARRAY_SIZE(effects_control)) {
strncpy((char *) menu->name,