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| author | Denis Kirjanov <kda@linux-powerpc.org> | 2019-07-30 15:13:57 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-08-01 18:18:27 -0400 |
| commit | 224c04973db1125fcebefffd86115f99f50f8277 (patch) | |
| tree | 8ec9b6aaa1832f9a8bcc57c93a2c95a8af6171aa | |
| parent | 4da5f0018eef4c0de31675b670c80e82e13e99d1 (diff) | |
| download | lwn-224c04973db1125fcebefffd86115f99f50f8277.tar.gz lwn-224c04973db1125fcebefffd86115f99f50f8277.zip | |
net: usb: pegasus: fix improper read if get_registers() fail
get_registers() may fail with -ENOMEM and in this
case we can read a garbage from the status variable tmp.
Reported-by: syzbot+3499a83b2d062ae409d4@syzkaller.appspotmail.com
Signed-off-by: Denis Kirjanov <kda@linux-powerpc.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/usb/pegasus.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c index 6d25dea5ad4b..f7d117d80cfb 100644 --- a/drivers/net/usb/pegasus.c +++ b/drivers/net/usb/pegasus.c @@ -282,7 +282,7 @@ static void mdio_write(struct net_device *dev, int phy_id, int loc, int val) static int read_eprom_word(pegasus_t *pegasus, __u8 index, __u16 *retdata) { int i; - __u8 tmp; + __u8 tmp = 0; __le16 retdatai; int ret; |