diff options
| author | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-09-01 17:00:33 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-09-03 11:13:03 +0200 |
| commit | 7463773187a917a8b19961a14d2bf48d8cdfa28e (patch) | |
| tree | f4eef5616a926808f9826c4d7c514bc6449d7f1a /drivers/media/pci/cx23885 | |
| parent | 99c2ec04e737b743ab1506a1b1d10ea208106484 (diff) | |
| download | linux-7463773187a917a8b19961a14d2bf48d8cdfa28e.tar.bz2 | |
media: cx23885-alsa: number of pages should be unsigned long
As reported by smatch:
drivers/media//pci/cx23885/cx23885-alsa.c:83 cx23885_alsa_dma_init() warn: should 'nr_pages << 12' be a 64 bit type?
the number of patches should be unsigned long.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media/pci/cx23885')
| -rw-r--r-- | drivers/media/pci/cx23885/cx23885-alsa.c | 7 | ||||
| -rw-r--r-- | drivers/media/pci/cx23885/cx23885.h | 4 |
2 files changed, 6 insertions, 5 deletions
diff --git a/drivers/media/pci/cx23885/cx23885-alsa.c b/drivers/media/pci/cx23885/cx23885-alsa.c index df44ed7393a0..141852f02236 100644 --- a/drivers/media/pci/cx23885/cx23885-alsa.c +++ b/drivers/media/pci/cx23885/cx23885-alsa.c @@ -68,7 +68,8 @@ MODULE_PARM_DESC(audio_debug, "enable debug messages [analog audio]"); #define AUD_INT_MCHG_IRQ (1 << 21) #define GP_COUNT_CONTROL_RESET 0x3 -static int cx23885_alsa_dma_init(struct cx23885_audio_dev *chip, int nr_pages) +static int cx23885_alsa_dma_init(struct cx23885_audio_dev *chip, + unsigned long nr_pages) { struct cx23885_audio_buffer *buf = chip->buf; struct page *pg; @@ -76,11 +77,11 @@ static int cx23885_alsa_dma_init(struct cx23885_audio_dev *chip, int nr_pages) buf->vaddr = vmalloc_32(nr_pages << PAGE_SHIFT); if (NULL == buf->vaddr) { - dprintk(1, "vmalloc_32(%d pages) failed\n", nr_pages); + dprintk(1, "vmalloc_32(%lu pages) failed\n", nr_pages); return -ENOMEM; } - dprintk(1, "vmalloc is at addr %p, size=%d\n", + dprintk(1, "vmalloc is at addr %p, size=%lu\n", buf->vaddr, nr_pages << PAGE_SHIFT); memset(buf->vaddr, 0, nr_pages << PAGE_SHIFT); diff --git a/drivers/media/pci/cx23885/cx23885.h b/drivers/media/pci/cx23885/cx23885.h index c472498e57c4..349462ee2c48 100644 --- a/drivers/media/pci/cx23885/cx23885.h +++ b/drivers/media/pci/cx23885/cx23885.h @@ -325,8 +325,8 @@ struct cx23885_audio_buffer { struct cx23885_riscmem risc; void *vaddr; struct scatterlist *sglist; - int sglen; - int nr_pages; + int sglen; + unsigned long nr_pages; }; struct cx23885_audio_dev { |