diff options
| author | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2023-03-02 10:05:58 +0000 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2023-04-15 08:51:21 +0100 |
| commit | 40e986c99624c5306c0d18fd9011a55440c5f61a (patch) | |
| tree | 23ea5efccec0d5a30cbe8e984a0902060cfb2bb9 | |
| parent | c79dbdae3a7693903a92a2348493e7084d9477b3 (diff) | |
media: common: saa7146: replace BUG_ON by WARN_ON
No need for BUG_ON, WARN_ON is a lot friendlier.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
| -rw-r--r-- | drivers/media/common/saa7146/saa7146_core.c | 11 | ||||
| -rw-r--r-- | drivers/media/common/saa7146/saa7146_fops.c | 6 | ||||
| -rw-r--r-- | drivers/media/common/saa7146/saa7146_hlp.c | 7 |
3 files changed, 15 insertions, 9 deletions
diff --git a/drivers/media/common/saa7146/saa7146_core.c b/drivers/media/common/saa7146/saa7146_core.c index e50fa0ff7c5d..f15caf54771b 100644 --- a/drivers/media/common/saa7146/saa7146_core.c +++ b/drivers/media/common/saa7146/saa7146_core.c @@ -37,7 +37,8 @@ void saa7146_setgpio(struct saa7146_dev *dev, int port, u32 data) { u32 value = 0; - BUG_ON(port > 3); + if (WARN_ON(port > 3)) + return; value = saa7146_read(dev, GPIO_CTRL); value &= ~(0xff << (8*port)); @@ -148,7 +149,8 @@ static struct scatterlist* vmalloc_to_sg(unsigned char *virt, int nr_pages) pg = vmalloc_to_page(virt); if (NULL == pg) goto err; - BUG_ON(PageHighMem(pg)); + if (WARN_ON(PageHighMem(pg))) + return NULL; sg_set_page(&sglist[i], pg, PAGE_SIZE, 0); } return sglist; @@ -239,8 +241,9 @@ int saa7146_pgtable_build_single(struct pci_dev *pci, struct saa7146_pgtable *pt int nr_pages = 0; int i,p; - BUG_ON(0 == sglen); - BUG_ON(list->offset > PAGE_SIZE); + if (WARN_ON(!sglen) || + WARN_ON(list->offset > PAGE_SIZE)) + return -EIO; /* if we have a user buffer, the first page may not be aligned to a page boundary. */ diff --git a/drivers/media/common/saa7146/saa7146_fops.c b/drivers/media/common/saa7146/saa7146_fops.c index faebe61a9408..2154249a26d5 100644 --- a/drivers/media/common/saa7146/saa7146_fops.c +++ b/drivers/media/common/saa7146/saa7146_fops.c @@ -68,7 +68,8 @@ int saa7146_buffer_queue(struct saa7146_dev *dev, assert_spin_locked(&dev->slock); DEB_EE("dev:%p, dmaq:%p, buf:%p\n", dev, q, buf); - BUG_ON(!q); + if (WARN_ON(!q)) + return -EIO; if (NULL == q->curr) { q->curr = buf; @@ -109,7 +110,8 @@ void saa7146_buffer_next(struct saa7146_dev *dev, { struct saa7146_buf *buf,*next = NULL; - BUG_ON(!q); + if (WARN_ON(!q)) + return; DEB_INT("dev:%p, dmaq:%p, vbi:%d\n", dev, q, vbi); diff --git a/drivers/media/common/saa7146/saa7146_hlp.c b/drivers/media/common/saa7146/saa7146_hlp.c index 98c339c33afa..7569d8cdd4d8 100644 --- a/drivers/media/common/saa7146/saa7146_hlp.c +++ b/drivers/media/common/saa7146/saa7146_hlp.c @@ -542,9 +542,10 @@ static int calculate_video_dma_grab_planar(struct saa7146_dev* dev, struct saa71 int height = pix->height; enum v4l2_field field = pix->field; - BUG_ON(0 == buf->pt[0].dma); - BUG_ON(0 == buf->pt[1].dma); - BUG_ON(0 == buf->pt[2].dma); + if (WARN_ON(!buf->pt[0].dma) || + WARN_ON(!buf->pt[1].dma) || + WARN_ON(!buf->pt[2].dma)) + return -1; DEB_CAP("[size=%dx%d,fields=%s]\n", width, height, v4l2_field_names[field]); |