diff options
Diffstat (limited to 'fs/nfs/super.c')
| -rw-r--r-- | fs/nfs/super.c | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c index f1afee4eea77..b4148fc00f9f 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -48,6 +48,7 @@ #include <linux/vfs.h> #include <linux/inet.h> #include <linux/in6.h> +#include <linux/slab.h> #include <net/ipv6.h> #include <linux/netdevice.h> #include <linux/nfs_xdr.h> @@ -2186,6 +2187,7 @@ static int nfs_get_sb(struct file_system_type *fs_type, if (data->version == 4) { error = nfs4_try_mount(flags, dev_name, data, mnt); kfree(data->client_address); + kfree(data->nfs_server.export_path); goto out; } #endif /* CONFIG_NFS_V4 */ @@ -2214,7 +2216,7 @@ static int nfs_get_sb(struct file_system_type *fs_type, } else { error = nfs_bdi_register(server); if (error) - goto error_splat_super; + goto error_splat_bdi; } if (!s->s_root) { @@ -2256,6 +2258,9 @@ out_err_nosb: error_splat_root: dput(mntroot); error_splat_super: + if (server && !s->s_root) + bdi_unregister(&server->backing_dev_info); +error_splat_bdi: deactivate_locked_super(s); goto out; } @@ -2326,7 +2331,7 @@ static int nfs_xdev_get_sb(struct file_system_type *fs_type, int flags, } else { error = nfs_bdi_register(server); if (error) - goto error_splat_super; + goto error_splat_bdi; } if (!s->s_root) { @@ -2363,6 +2368,9 @@ out_err_noserver: return error; error_splat_super: + if (server && !s->s_root) + bdi_unregister(&server->backing_dev_info); +error_splat_bdi: deactivate_locked_super(s); dprintk("<-- nfs_xdev_get_sb() = %d [splat]\n", error); return error; @@ -2578,7 +2586,7 @@ static int nfs4_remote_get_sb(struct file_system_type *fs_type, } else { error = nfs_bdi_register(server); if (error) - goto error_splat_super; + goto error_splat_bdi; } if (!s->s_root) { @@ -2616,6 +2624,9 @@ out_free: error_splat_root: dput(mntroot); error_splat_super: + if (server && !s->s_root) + bdi_unregister(&server->backing_dev_info); +error_splat_bdi: deactivate_locked_super(s); goto out; } @@ -2647,7 +2658,7 @@ static void nfs_fix_devname(const struct path *path, struct vfsmount *mnt) devname = nfs_path(path->mnt->mnt_devname, path->mnt->mnt_root, path->dentry, page, PAGE_SIZE); - if (devname == NULL) + if (IS_ERR(devname)) goto out_freepage; tmp = kstrdup(devname, GFP_KERNEL); if (tmp == NULL) @@ -2811,7 +2822,7 @@ static int nfs4_xdev_get_sb(struct file_system_type *fs_type, int flags, } else { error = nfs_bdi_register(server); if (error) - goto error_splat_super; + goto error_splat_bdi; } if (!s->s_root) { @@ -2847,6 +2858,9 @@ out_err_noserver: return error; error_splat_super: + if (server && !s->s_root) + bdi_unregister(&server->backing_dev_info); +error_splat_bdi: deactivate_locked_super(s); dprintk("<-- nfs4_xdev_get_sb() = %d [splat]\n", error); return error; @@ -2893,7 +2907,7 @@ static int nfs4_remote_referral_get_sb(struct file_system_type *fs_type, } else { error = nfs_bdi_register(server); if (error) - goto error_splat_super; + goto error_splat_bdi; } if (!s->s_root) { @@ -2929,6 +2943,9 @@ out_err_noserver: return error; error_splat_super: + if (server && !s->s_root) + bdi_unregister(&server->backing_dev_info); +error_splat_bdi: deactivate_locked_super(s); dprintk("<-- nfs4_referral_get_sb() = %d [splat]\n", error); return error; |