From bdd907bab78419f34113c51470192945741b839e Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 20 May 2008 15:10:44 +1000 Subject: [PATCH] [XFS] allow xfs_args_allocate to fail Switch xfs_args_allocate to kzalloc and handle failures. SGI-PV: 981951 SGI-Modid: xfs-linux-melb:xfs-kern:31195a Signed-off-by: Christoph Hellwig Signed-off-by: David Chinner Signed-off-by: Lachlan McIlroy --- fs/xfs/linux-2.6/xfs_super.c | 23 +++++++++++++++++------ 1 file changed, 17 insertions(+), 6 deletions(-) diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index 613370f9a4..d13d883d00 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -75,7 +75,10 @@ xfs_args_allocate( { struct xfs_mount_args *args; - args = kmem_zalloc(sizeof(struct xfs_mount_args), KM_SLEEP); + args = kzalloc(sizeof(struct xfs_mount_args), GFP_KERNEL); + if (!args) + return NULL; + args->logbufs = args->logbufsize = -1; strncpy(args->fsname, sb->s_id, MAXNAMELEN); @@ -1396,9 +1399,13 @@ xfs_fs_remount( char *options) { struct xfs_mount *mp = XFS_M(sb); - struct xfs_mount_args *args = xfs_args_allocate(sb, 0); + struct xfs_mount_args *args; int error; + args = xfs_args_allocate(sb, 0); + if (!args) + return -ENOMEM; + error = xfs_parseargs(mp, options, args, 1); if (error) goto out_free_args; @@ -1420,7 +1427,7 @@ xfs_fs_remount( } out_free_args: - kmem_free(args); + kfree(args); return -error; } @@ -1725,9 +1732,13 @@ xfs_fs_fill_super( { struct inode *root; struct xfs_mount *mp = NULL; - struct xfs_mount_args *args = xfs_args_allocate(sb, silent); + struct xfs_mount_args *args; int flags = 0, error; + args = xfs_args_allocate(sb, silent); + if (!args) + return -ENOMEM; + mp = xfs_mount_init(); INIT_LIST_HEAD(&mp->m_sync_list); @@ -1826,7 +1837,7 @@ xfs_fs_fill_super( xfs_itrace_exit(XFS_I(sb->s_root->d_inode)); - kmem_free(args); + kfree(args); return 0; error2: @@ -1874,7 +1885,7 @@ xfs_fs_fill_super( kmem_free(mp); fail_vfsop: - kmem_free(args); + kfree(args); return -error; } -- 2.39.5