USB: sierra: add more checks on shutdown
authorGreg Kroah-Hartman <gregkh@suse.de>
Thu, 26 Apr 2007 07:12:01 +0000 (00:12 -0700)
committerGreg Kroah-Hartman <gregkh@suse.de>
Fri, 27 Apr 2007 20:28:40 +0000 (13:28 -0700)
commitf094e4f358c2f9f0a46dc777f64ed7794f73d283
tree6e811c05b224227a04a91558f923d7348ada219d
parent931384fb0ec99a7459b3052f5d4db15bcb5037ea
USB: sierra: add more checks on shutdown

This should help with any potential NULL pointer usages as reported by a
few users.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/usb/serial/sierra.c