module: prevent warning when finit_module a 0 sized file
authorSasha Levin <sasha.levin@oracle.com>
Thu, 3 Jan 2013 00:39:53 +0000 (10:39 +1030)
committerRusty Russell <rusty@rustcorp.com.au>
Thu, 3 Jan 2013 00:40:32 +0000 (10:40 +1030)
commit52441fa8f2f1ccc9fa97607c6ccf8b46b9fd15ae
tree5a5d4536de0898ed4ae4a012979e0ce17fdfb2ff
parentf4953fe6c4aeada2d5cafd78aa97587a46d2d8f9
module: prevent warning when finit_module a 0 sized file

If we try to finit_module on a file sized 0 bytes vmalloc will
scream and spit out a warning.

Since modules have to be bigger than 0 bytes anyways we can just
check that beforehand and avoid the warning.

Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
kernel/module.c