diff options
| author | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2014-11-25 16:04:16 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2014-12-04 15:50:44 +0100 |
| commit | 32af858cc96b0ce588f4aeb37bf68940c727364b (patch) | |
| tree | 79598208fe46f2bf1681749f0083c8f7787ba6e4 /drivers/media/platform/exynos-gsc | |
| parent | [media] rtl2832_sdr: control ADC (diff) | |
| download | linux-32af858cc96b0ce588f4aeb37bf68940c727364b.tar.xz linux-32af858cc96b0ce588f4aeb37bf68940c727364b.zip | |
[media] media: exynos-gsc: fix build warning
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>
Diffstat (limited to 'drivers/media/platform/exynos-gsc')
| -rw-r--r-- | drivers/media/platform/exynos-gsc/gsc-core.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/media/platform/exynos-gsc/gsc-core.c b/drivers/media/platform/exynos-gsc/gsc-core.c index 91d226b8fe5c..3062e9fac6da 100644 --- a/drivers/media/platform/exynos-gsc/gsc-core.c +++ b/drivers/media/platform/exynos-gsc/gsc-core.c @@ -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) |