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>

diff --git a/drivers/media/pci/cx23885/cx23885-alsa.c b/drivers/media/pci/cx23885/cx23885-alsa.c
index df44ed7..141852f 100644 (file)
--- 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 c472498..349462e 100644 (file)
--- 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 {