diff options
| -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) |