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| author | Zhang Heng <zhangheng@kylinos.cn> | 2025-01-14 09:12:55 +0800 |
|---|---|---|
| committer | Hans Verkuil <hverkuil@xs4all.nl> | 2025-02-21 10:33:04 +0100 |
| commit | 8deb1e2a392bbebe159aa4f4d33f4e0a62260c24 (patch) | |
| tree | 2c7ee6b69ef8f14174c41324847d6f7df4387c5a /drivers/media/usb | |
| parent | 648dec6840a89b796a54465a6bcf77c15999fa76 (diff) | |
| download | linux-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')
| -rw-r--r-- | drivers/media/usb/dvb-usb/cxusb-analog.c | 4 |
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; |