mm: shmem: remove unused info variable

Fix the following warning by removing the unused variable:

  mm/shmem.c:3205:27: warning: variable 'info' set but not used [-Wunused-but-set-variable]

Link: http://lkml.kernel.org/r/1510774029-30652-1-git-send-email-clabbe@baylibre.com
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

mm/shmem.c

@@ -3202,7 +3202,6 @@ static int shmem_symlink(struct inode *dir, struct dentry *dentry, const char *s
 	int len;
 	struct inode *inode;
 	struct page *page;
-	struct shmem_inode_info *info;
 
 	len = strlen(symname) + 1;
 	if (len > PAGE_SIZE)
@@ -3222,7 +3221,6 @@ static int shmem_symlink(struct inode *dir, struct dentry *dentry, const char *s
 		error = 0;
 	}
 
-	info = SHMEM_I(inode);
 	inode->i_size = len-1;
 	if (len <= SHORT_SYMLINK_LEN) {
 		inode->i_link = kmemdup(symname, len, GFP_KERNEL);