From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
[ Upstream commit a08ad6339e0441ca12533969ed94a87e3655426e ]
The are two instances of sizeof() being used incorrectly. The
sizeof(void *) is incorrect because urb_buffer is a char ** pointer,
fix this by using sizeof(*dev->urb_buffer). The sizeof(dma_addr_t *)
is incorrect, it should be sizeof(*dev->urb_dma), which is a dma_addr_t
and not a dma_addr_t *. This errors did not cause any issues because
it just so happens the sizes are the same.
Addresses-Coverity: ("Sizeof not portable (SIZEOF_MISMATCH)")
Fixes: 16427faf2867 ("[media] tm6000: Add parameter to keep urb bufs allocated")
Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/media/usb/tm6000/tm6000-video.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/media/usb/tm6000/tm6000-video.c b/drivers/media/usb/tm6000/tm6000-video.c
index c07a81a6cbe29..c46cbcfafab3f 100644
--- a/drivers/media/usb/tm6000/tm6000-video.c
+++ b/drivers/media/usb/tm6000/tm6000-video.c
@@ -461,11 +461,12 @@ static int tm6000_alloc_urb_buffers(struct tm6000_core *dev)
if (dev->urb_buffer)
return 0;
- dev->urb_buffer = kmalloc_array(num_bufs, sizeof(void *), GFP_KERNEL);
+ dev->urb_buffer = kmalloc_array(num_bufs, sizeof(*dev->urb_buffer),
+ GFP_KERNEL);
if (!dev->urb_buffer)
return -ENOMEM;
- dev->urb_dma = kmalloc_array(num_bufs, sizeof(dma_addr_t *),
+ dev->urb_dma = kmalloc_array(num_bufs, sizeof(*dev->urb_dma),
GFP_KERNEL);
if (!dev->urb_dma)
return -ENOMEM;
--
2.27.0
