[GFS2] Fix uninitialised variable

This fixes a bug where, in certain cases an uninitialised variable
could cause a dereference of a NULL pointer in gfs2_commit_write().
Also a typo in a comment is fixed at the same time.

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

2 files changed, 2 insertions, 1 deletions

diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c
index bdf56cf66224..99c933762eb2 100644
--- a/fs/gfs2/ops_address.c
+++ b/fs/gfs2/ops_address.c
@@ -385,6 +385,7 @@ static int gfs2_prepare_write(struct file *file, struct page *page,
                 goto out_unlock;
 
 
+        ip->i_alloc.al_requested = 0;
         if (alloc_required) {
                 al = gfs2_alloc_get(ip);
 
diff --git a/fs/gfs2/rgrp.h b/fs/gfs2/rgrp.h
index 9eedfd12bfff..b01e0cfc99b5 100644
--- a/fs/gfs2/rgrp.h
+++ b/fs/gfs2/rgrp.h
@@ -32,7 +32,7 @@ void gfs2_rgrp_repolish_clones(struct gfs2_rgrpd *rgd);
 struct gfs2_alloc *gfs2_alloc_get(struct gfs2_inode *ip);
 static inline void gfs2_alloc_put(struct gfs2_inode *ip)
 {
-        return; /* Se we can see where ip->i_alloc is used */
+        return; /* So we can see where ip->i_alloc is used */
 }
 
 int gfs2_inplace_reserve_i(struct gfs2_inode *ip,