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authorMark Tinguely <tinguely@sgi.com>2012-09-20 13:16:45 -0500
committerBen Myers <bpm@sgi.com>2012-10-18 17:34:16 -0500
commita00416844b8f4b0106344bdfd90fe45a854b1d05 (patch)
tree3bfc6d51dc7d4a118d1f67bdb6df1acd5e7741ed /fs/xfs
parentd35e88faa3b0fc2cea35c3b2dca358b5cd09b45f (diff)
xfs: zero allocation_args on the kernel stack
Zero the kernel stack space that makes up the xfs_alloc_arg structures. Signed-off-by: Mark Tinguely <tinguely@sgi.com> Reviewed-by: Ben Myers <bpm@sgi.com> Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs')
-rw-r--r--fs/xfs/xfs_alloc.c1
-rw-r--r--fs/xfs/xfs_bmap.c3
-rw-r--r--fs/xfs/xfs_ialloc.c1
3 files changed, 5 insertions, 0 deletions
diff --git a/fs/xfs/xfs_alloc.c b/fs/xfs/xfs_alloc.c
index 4f33c32affe..0287f3b1b50 100644
--- a/fs/xfs/xfs_alloc.c
+++ b/fs/xfs/xfs_alloc.c
@@ -1866,6 +1866,7 @@ xfs_alloc_fix_freelist(
/*
* Initialize the args structure.
*/
+ memset(&targs, 0, sizeof(targs));
targs.tp = tp;
targs.mp = mp;
targs.agbp = agbp;
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c
index 848ffa77707..e1545ec2f7d 100644
--- a/fs/xfs/xfs_bmap.c
+++ b/fs/xfs/xfs_bmap.c
@@ -2437,6 +2437,7 @@ xfs_bmap_btalloc(
* Normal allocation, done through xfs_alloc_vextent.
*/
tryagain = isaligned = 0;
+ memset(&args, 0, sizeof(args));
args.tp = ap->tp;
args.mp = mp;
args.fsbno = ap->blkno;
@@ -3082,6 +3083,7 @@ xfs_bmap_extents_to_btree(
* Convert to a btree with two levels, one record in root.
*/
XFS_IFORK_FMT_SET(ip, whichfork, XFS_DINODE_FMT_BTREE);
+ memset(&args, 0, sizeof(args));
args.tp = tp;
args.mp = mp;
args.firstblock = *firstblock;
@@ -3237,6 +3239,7 @@ xfs_bmap_local_to_extents(
xfs_buf_t *bp; /* buffer for extent block */
xfs_bmbt_rec_host_t *ep;/* extent record pointer */
+ memset(&args, 0, sizeof(args));
args.tp = tp;
args.mp = ip->i_mount;
args.firstblock = *firstblock;
diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c
index 445bf1aef31..c5c4ef4f2bd 100644
--- a/fs/xfs/xfs_ialloc.c
+++ b/fs/xfs/xfs_ialloc.c
@@ -250,6 +250,7 @@ xfs_ialloc_ag_alloc(
/* boundary */
struct xfs_perag *pag;
+ memset(&args, 0, sizeof(args));
args.tp = tp;
args.mp = tp->t_mountp;