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x25_asy: Free x25_asy on x25_asy_open() failure.

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Based upon a report by Dmitry Vyukov.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2016-01-13 11:45:39 -05:00
parent 00ae40e71d
commit 3b780bed31
1 changed files with 3 additions and 1 deletions
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4
drivers/net/wan/x25_asy.c
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@ -571,8 +571,10 @@ static int x25_asy_open_tty(struct tty_struct *tty)
/* Perform the low-level X.25 async init */ /* Perform the low-level X.25 async init */
err = x25_asy_open(sl->dev); err = x25_asy_open(sl->dev);
if (err) if (err) {
x25_asy_free(sl);
return err; return err;
}
/* Done. We have linked the TTY line to a channel. */ /* Done. We have linked the TTY line to a channel. */
return 0; return 0;
} }