[PATCH] kernel/module.c: removed dead code

This patch fixes an issue reported by Coverity in kernel/module.c

Error reported: Cannot reach this line of code "else return ptr;"

Patch description:
  This is the error path, so 'err' will be negative, the else case
  is not required, this patch removes it.

Signed-off-by: Jayachandran C. <c.jayachandran@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>