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authorZhang Heng <zhangheng@kylinos.cn>2025-01-14 09:12:55 +0800
committerHans Verkuil <hverkuil@xs4all.nl>2025-02-21 10:33:04 +0100
commit8deb1e2a392bbebe159aa4f4d33f4e0a62260c24 (patch)
tree2c7ee6b69ef8f14174c41324847d6f7df4387c5a /drivers/media/usb/dvb-usb
parent648dec6840a89b796a54465a6bcf77c15999fa76 (diff)
downloadlinux-next-8deb1e2a392bbebe159aa4f4d33f4e0a62260c24.tar.gz
linux-next-8deb1e2a392bbebe159aa4f4d33f4e0a62260c24.zip
media: usb: use kmalloc_array() to replace kmalloc()
Use kmalloc_array() to replace kmalloc() with multiplication. kmalloc_array() has multiply overflow check, which will be safer. Signed-off-by: Zhang Heng <zhangheng@kylinos.cn> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Diffstat (limited to 'drivers/media/usb/dvb-usb')
-rw-r--r--drivers/media/usb/dvb-usb/cxusb-analog.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/media/usb/dvb-usb/cxusb-analog.c b/drivers/media/usb/dvb-usb/cxusb-analog.c
index 8253046cd6e6..3bbee1fcbc8d 100644
--- a/drivers/media/usb/dvb-usb/cxusb-analog.c
+++ b/drivers/media/usb/dvb-usb/cxusb-analog.c
@@ -817,8 +817,8 @@ static int cxusb_medion_v_start_streaming(struct vb2_queue *q,
* doing a large continuous allocation when (if)
* s-g isochronous USB transfers are supported
*/
- streambuf = kmalloc(npackets * CXUSB_VIDEO_PKT_SIZE,
- GFP_KERNEL);
+ streambuf = kmalloc_array(npackets, CXUSB_VIDEO_PKT_SIZE,
+ GFP_KERNEL);
if (!streambuf) {
if (i < 2) {
ret = -ENOMEM;