Some applications doesn'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@xxxxxxxxxxx>
---
drivers/media/platform/s5p-mfc/s5p_mfc_debug.h | 6 ++++++
drivers/media/platform/s5p-mfc/s5p_mfc_dec.c | 2 +-
drivers/media/platform/s5p-mfc/s5p_mfc_enc.c | 2 +-
3 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_debug.h b/drivers/media/platform/s5p-mfc/s5p_mfc_debug.h
index 5936923c631c..1936a5b868f5 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_debug.h
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_debug.h
@@ -39,6 +39,12 @@
__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, \
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
index 52081ddc9bf2..47aceacee169 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
@@ -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;
}
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
index fcc2e054c61f..e39d9e06e299 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
@@ -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) {
--
1.9.1
--
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