[media] s5p-mfc: Use printk_ratelimited for reporting ioctl errors

Some applications don't check error codes from QBUF/DQBUF ioctls,
so don't spam kernel log with errors if they fall into endless loop
trying to queue next buffer after a failure.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Marek Szyprowski 2016-11-16 07:04:51 -02:00 committed by Mauro Carvalho Chehab
parent 3605163d98
commit 0a79ef333d
3 changed files with 8 additions and 2 deletions

View File

@ -39,6 +39,12 @@ extern int mfc_debug_level;
__func__, __LINE__, ##args); \
} while (0)
#define mfc_err_limited(fmt, args...) \
do { \
printk_ratelimited(KERN_ERR "%s:%d: " fmt, \
__func__, __LINE__, ##args); \
} while (0)
#define mfc_info(fmt, args...) \
do { \
printk(KERN_INFO "%s:%d: " fmt, \

View File

@ -642,7 +642,7 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
int ret;
if (ctx->state == MFCINST_ERROR) {
mfc_err("Call on DQBUF after unrecoverable error\n");
mfc_err_limited("Call on DQBUF after unrecoverable error\n");
return -EIO;
}

View File

@ -1268,7 +1268,7 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
int ret;
if (ctx->state == MFCINST_ERROR) {
mfc_err("Call on DQBUF after unrecoverable error\n");
mfc_err_limited("Call on DQBUF after unrecoverable error\n");
return -EIO;
}
if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {