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media: qcom: don't go past the array 

As reported by smatch:

	drivers/media/platform/qcom/camss-8x16/camss-vfe.c:1136 vfe_release_wm() error: buffer overflow 'vfe->wm_output_map' 7 <= 7

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Mauro Carvalho Chehab 2017-08-26 15:34:37 -04:00
parent 07aac5dc0d
commit 6e893ca25e
1 changed files with 1 additions and 1 deletions
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2
drivers/media/platform/qcom/camss-8x16/camss-vfe.c
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@ -1130,7 +1130,7 @@ static int vfe_reserve_wm(struct vfe_device *vfe, enum vfe_line_id line_id)
static int vfe_release_wm(struct vfe_device *vfe, u8 wm)
{
if (wm > ARRAY_SIZE(vfe->wm_output_map))
if (wm >= ARRAY_SIZE(vfe->wm_output_map))
return -EINVAL;
vfe->wm_output_map[wm] = VFE_LINE_NONE;