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net: wireless: bcmdhd: Check wldev_ioctl() for NULL parameter

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Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
This commit is contained in:
Dmitry Shmidt
2011-08-01 15:40:01 -07:00
parent b0ebe79d66
commit 5b1186350d
1 changed files with 5 additions and 0 deletions
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5
drivers/net/wireless/bcmdhd/wldev_common.c
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@@ -47,6 +47,11 @@ s32 wldev_ioctl(
mm_segment_t fs; mm_segment_t fs;
s32 err = 0; s32 err = 0;
if (!dev) {
DHD_ERROR(("%s: dev is null\n", __FUNCTION__));
return -EINVAL;
}
memset(&ioc, 0, sizeof(ioc)); memset(&ioc, 0, sizeof(ioc));
ioc.cmd = cmd; ioc.cmd = cmd;
ioc.buf = arg; ioc.buf = arg;