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[XFS] allow xfs_args_allocate to fail

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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 <hch@infradead.org>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
This commit is contained in:
Christoph Hellwig 2008-05-20 15:10:44 +10:00 committed by Niv Sardi
parent e34b562c6b
commit bdd907bab7
1 changed files with 17 additions and 6 deletions
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23
fs/xfs/linux-2.6/xfs_super.c
View file

@ -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;
}