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| author | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-09-01 14:34:46 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-09-03 11:12:39 +0200 |
| commit | 99c2ec04e737b743ab1506a1b1d10ea208106484 (patch) | |
| tree | 24d11d0479b42bbeab436401f1e2a6cdcb0b8a60 | |
| parent | 1faa39e0f3bcfe47dc7a61a72c234b24005c3a1a (diff) | |
| download | linux-99c2ec04e737b743ab1506a1b1d10ea208106484.tar.gz linux-99c2ec04e737b743ab1506a1b1d10ea208106484.tar.bz2 linux-99c2ec04e737b743ab1506a1b1d10ea208106484.zip | |
media: cx25821-alsa: number of pages should be unsigned long
As reported by smatch:
drivers/media/pci/cx25821/cx25821-alsa.c:146 cx25821_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>
| -rw-r--r-- | drivers/media/pci/cx25821/cx25821-alsa.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/media/pci/cx25821/cx25821-alsa.c b/drivers/media/pci/cx25821/cx25821-alsa.c index 301616426d8a..49892a88f528 100644 --- a/drivers/media/pci/cx25821/cx25821-alsa.c +++ b/drivers/media/pci/cx25821/cx25821-alsa.c @@ -53,8 +53,8 @@ struct cx25821_audio_buffer { struct cx25821_riscmem risc; void *vaddr; struct scatterlist *sglist; - int sglen; - int nr_pages; + int sglen; + unsigned long nr_pages; }; struct cx25821_audio_dev { @@ -131,7 +131,8 @@ MODULE_PARM_DESC(debug, "enable debug messages"); #define PCI_MSK_AUD_EXT (1 << 4) #define PCI_MSK_AUD_INT (1 << 3) -static int cx25821_alsa_dma_init(struct cx25821_audio_dev *chip, int nr_pages) +static int cx25821_alsa_dma_init(struct cx25821_audio_dev *chip, + unsigned long nr_pages) { struct cx25821_audio_buffer *buf = chip->buf; struct page *pg; @@ -139,11 +140,11 @@ static int cx25821_alsa_dma_init(struct cx25821_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 0x%p, size=%d\n", + dprintk(1, "vmalloc is at addr 0x%p, size=%lu\n", buf->vaddr, nr_pages << PAGE_SHIFT); |