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| author | Louis Rilling <Louis.Rilling@kerlabs.com> | 2008-06-16 19:01:00 +0200 |
|---|---|---|
| committer | Mark Fasheh <mfasheh@suse.com> | 2008-07-14 22:57:16 +0200 |
| commit | 107ed40bd070df5e4a0a012042c45c40963dc574 (patch) | |
| tree | d3b8c1799083c0e7d4f1af3e1b84f0a86372eaee | |
| parent | configfs: Protect configfs_dirent s_links list mutations (diff) | |
| download | linux-107ed40bd070df5e4a0a012042c45c40963dc574.tar.xz linux-107ed40bd070df5e4a0a012042c45c40963dc574.zip | |
configfs: Make configfs_new_dirent() return error code instead of NULL
This patch makes configfs_new_dirent return negative error code instead of NULL,
which will be useful in the next patch to differentiate ENOMEM from ENOENT.
Signed-off-by: Louis Rilling <Louis.Rilling@kerlabs.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
| -rw-r--r-- | fs/configfs/dir.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c index a08e5c2f25e8..918a332babfe 100644 --- a/fs/configfs/dir.c +++ b/fs/configfs/dir.c @@ -30,6 +30,7 @@ #include <linux/mount.h> #include <linux/module.h> #include <linux/slab.h> +#include <linux/err.h> #include <linux/configfs.h> #include "configfs_internal.h" @@ -83,7 +84,7 @@ static struct configfs_dirent *configfs_new_dirent(struct configfs_dirent * pare sd = kmem_cache_zalloc(configfs_dir_cachep, GFP_KERNEL); if (!sd) - return NULL; + return ERR_PTR(-ENOMEM); atomic_set(&sd->s_count, 1); INIT_LIST_HEAD(&sd->s_links); @@ -129,8 +130,8 @@ int configfs_make_dirent(struct configfs_dirent * parent_sd, struct configfs_dirent * sd; sd = configfs_new_dirent(parent_sd, element); - if (!sd) - return -ENOMEM; + if (IS_ERR(sd)) + return PTR_ERR(sd); sd->s_mode = mode; sd->s_type = type; @@ -1277,7 +1278,7 @@ static int configfs_dir_open(struct inode *inode, struct file *file) file->private_data = configfs_new_dirent(parent_sd, NULL); mutex_unlock(&dentry->d_inode->i_mutex); - return file->private_data ? 0 : -ENOMEM; + return IS_ERR(file->private_data) ? PTR_ERR(file->private_data) : 0; } |