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| author | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-09-01 16:41:15 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-09-03 11:13:26 +0200 |
| commit | b4e0a5f9c0ac47e7368cec1804d1ad22a80661a7 (patch) | |
| tree | b34ab35507b45f891357d88ceeb9ec9b80574d69 /drivers | |
| parent | 7463773187a917a8b19961a14d2bf48d8cdfa28e (diff) | |
| download | lwn-b4e0a5f9c0ac47e7368cec1804d1ad22a80661a7.tar.gz lwn-b4e0a5f9c0ac47e7368cec1804d1ad22a80661a7.zip | |
media: cx88-alsa: number of pages should be unsigned long
As reported by smatch:
drivers/media/pci/cx88/cx88-alsa.c:286 cx88_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')
| -rw-r--r-- | drivers/media/pci/cx88/cx88-alsa.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/media/pci/cx88/cx88-alsa.c b/drivers/media/pci/cx88/cx88-alsa.c index 7d7aceecc985..aec60ebb010f 100644 --- a/drivers/media/pci/cx88/cx88-alsa.c +++ b/drivers/media/pci/cx88/cx88-alsa.c @@ -42,12 +42,12 @@ */ struct cx88_audio_buffer { - unsigned int bpl; - struct cx88_riscmem risc; + unsigned int bpl; + struct cx88_riscmem risc; void *vaddr; struct scatterlist *sglist; int sglen; - int nr_pages; + unsigned long nr_pages; }; struct cx88_audio_dev { @@ -271,7 +271,8 @@ static irqreturn_t cx8801_irq(int irq, void *dev_id) return IRQ_RETVAL(handled); } -static int cx88_alsa_dma_init(struct cx88_audio_dev *chip, int nr_pages) +static int cx88_alsa_dma_init(struct cx88_audio_dev *chip, + unsigned long nr_pages) { struct cx88_audio_buffer *buf = chip->buf; struct page *pg; @@ -279,11 +280,11 @@ static int cx88_alsa_dma_init(struct cx88_audio_dev *chip, int nr_pages) buf->vaddr = vmalloc_32(nr_pages << PAGE_SHIFT); if (!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); |