GFS2: Fix compiler warning from previous patch

This shouldn't really be required, but gcc can't tell that
"al" is only accessed when initialised.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index 1bf178831ae8c508da41035ea587e8ed6d060f18..6b24afb96aaedade304b48bb427e664eae8e6e53 100644 (file)
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -615,7 +615,7 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping,
        unsigned int data_blocks = 0, ind_blocks = 0, rblocks;
        int alloc_required;
        int error = 0;
-       struct gfs2_alloc *al;
+       struct gfs2_alloc *al = NULL;
        pgoff_t index = pos >> PAGE_CACHE_SHIFT;
        unsigned from = pos & (PAGE_CACHE_SIZE - 1);
        unsigned to = from + len;