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[media] media: exynos-gsc: fix build warning

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Fixes following build warnings:

gsc-core.c:350:17: warning: 'low_plane' may be used uninitialized
gsc-core.c:371:31: warning: 'high_plane' may be used uninitialized

Reported-by: Prabhakar Lad <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Mauro Carvalho Chehab 2014-11-25 12:04:16 -03:00
parent 2281c8244b
commit 32af858cc9
1 changed files with 9 additions and 6 deletions
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15
drivers/media/platform/exynos-gsc/gsc-core.c
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@ -319,21 +319,22 @@ int gsc_enum_fmt_mplane(struct v4l2_fmtdesc *f)
return 0;
}
static u32 get_plane_info(struct gsc_frame *frm, u32 addr, u32 *index)
static int get_plane_info(struct gsc_frame *frm, u32 addr, u32 *index, u32 *ret_addr)
{
if (frm->addr.y == addr) {
*index = 0;
return frm->addr.y;
*ret_addr = frm->addr.y;
} else if (frm->addr.cb == addr) {
*index = 1;
return frm->addr.cb;
*ret_addr = frm->addr.cb;
} else if (frm->addr.cr == addr) {
*index = 2;
return frm->addr.cr;
*ret_addr = frm->addr.cr;
} else {
pr_err("Plane address is wrong");
return -EINVAL;
}
return 0;
}
void gsc_set_prefbuf(struct gsc_dev *gsc, struct gsc_frame *frm)
@ -352,9 +353,11 @@ void gsc_set_prefbuf(struct gsc_dev *gsc, struct gsc_frame *frm)
u32 t_min, t_max;
t_min = min3(frm->addr.y, frm->addr.cb, frm->addr.cr);
low_addr = get_plane_info(frm, t_min, &low_plane);
if (get_plane_info(frm, t_min, &low_plane, &low_addr))
return;
t_max = max3(frm->addr.y, frm->addr.cb, frm->addr.cr);
high_addr = get_plane_info(frm, t_max, &high_plane);
if (get_plane_info(frm, t_max, &high_plane, &high_addr))
return;
mid_plane = 3 - (low_plane + high_plane);
if (mid_plane == 0)