This fixes following issue found with a static analysis tool: Pointer 'ffmt' returned from call to function 'fimc_capture_try_format' at line 1522 may be NULL and may be dereferenced at line 1535. Although it shouldn't happen in practice, add the NULL pointer check to be on the safe side. Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx> --- drivers/media/platform/s5p-fimc/fimc-capture.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/media/platform/s5p-fimc/fimc-capture.c b/drivers/media/platform/s5p-fimc/fimc-capture.c index 95e6a78..aad0850 100644 --- a/drivers/media/platform/s5p-fimc/fimc-capture.c +++ b/drivers/media/platform/s5p-fimc/fimc-capture.c @@ -1561,5 +1561,9 @@ static int fimc_subdev_set_fmt(struct v4l2_subdev *sd, *mf = fmt->format; return 0; } + /* There must be a bug in the driver if this happens */ + if (WARN_ON(ffmt == NULL)) + return -EINVAL; + /* Update RGB Alpha control state and value range */ fimc_alpha_ctrl_update(ctx); -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html