diff options
| author | Denis Kirjanov <kda@linux-powerpc.org> | 2019-07-30 15:13:57 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-08-25 10:50:08 +0200 |
| commit | 8176e66caedb1b8f0a9c2429e57e0c8dda127010 (patch) | |
| tree | a4c78fad0fade60b3999e22feb5f18ee656346d6 | |
| parent | 6ab425b091ff31dd8e2e0d4220b4f6e91e3da1d5 (diff) | |
net: usb: pegasus: fix improper read if get_registers() fail
commit 224c04973db1125fcebefffd86115f99f50f8277 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -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 6514c86f043e..5435c34dfcc7 100644 --- a/drivers/net/usb/pegasus.c +++ b/drivers/net/usb/pegasus.c @@ -285,7 +285,7 @@ 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; |