Char: synclink, remove unnecessary checks
authorJiri Slaby <jslaby@suse.cz>
Sun, 10 Jan 2010 11:30:16 +0000 (12:30 +0100)
committerGreg Kroah-Hartman <gregkh@suse.de>
Tue, 2 Mar 2010 22:43:16 +0000 (14:43 -0800)
commitca1cce49c2778439d00bbf516f70386f3d3b71e5
tree637225c572d045b9273c8239d211326d314f5019
parente6c4ef984ebbd1a0458503417da91f3de47cbbe0
Char: synclink, remove unnecessary checks

Stanse found a potential null dereference in mgsl_put_char and
mgsl_write. There is a check for tty being NULL, but it is
dereferenced earlier.

Actually, tty cannot be NULL in .write and .put_char, so remove
the tests.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/char/synclink.c