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authorUlrich Drepper <drepper@redhat.com>2006-02-04 23:28:02 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-02-05 11:06:53 -0800
commit170aa3d02614ae621d54af10555e2f48977ae8de (patch)
treec1a93a5c95ccc2225639a7c878f6c16b7c317924 /fs
parentf55eab822b93864ef4eef3bd7eadac2a727c914b (diff)
downloadop-kernel-dev-170aa3d02614ae621d54af10555e2f48977ae8de.zip
op-kernel-dev-170aa3d02614ae621d54af10555e2f48977ae8de.tar.gz
[PATCH] namei.c: unlock missing in error case
Signed-off-by: Ulrich Drepper <drepper@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/namei.c32
1 files changed, 16 insertions, 16 deletions
diff --git a/fs/namei.c b/fs/namei.c
index b760e1e..faf61c35 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1070,6 +1070,8 @@ static int fastcall do_path_lookup(int dfd, const char *name,
unsigned int flags, struct nameidata *nd)
{
int retval = 0;
+ int fput_needed;
+ struct file *file;
nd->last_type = LAST_ROOT; /* if there are only slashes... */
nd->flags = flags;
@@ -1091,29 +1093,22 @@ static int fastcall do_path_lookup(int dfd, const char *name,
nd->mnt = mntget(current->fs->pwdmnt);
nd->dentry = dget(current->fs->pwd);
} else {
- struct file *file;
- int fput_needed;
struct dentry *dentry;
file = fget_light(dfd, &fput_needed);
- if (!file) {
- retval = -EBADF;
- goto out_fail;
- }
+ retval = -EBADF;
+ if (!file)
+ goto unlock_fail;
dentry = file->f_dentry;
- if (!S_ISDIR(dentry->d_inode->i_mode)) {
- retval = -ENOTDIR;
- fput_light(file, fput_needed);
- goto out_fail;
- }
+ retval = -ENOTDIR;
+ if (!S_ISDIR(dentry->d_inode->i_mode))
+ goto fput_unlock_fail;
retval = file_permission(file, MAY_EXEC);
- if (retval) {
- fput_light(file, fput_needed);
- goto out_fail;
- }
+ if (retval)
+ goto fput_unlock_fail;
nd->mnt = mntget(file->f_vfsmnt);
nd->dentry = dget(dentry);
@@ -1127,7 +1122,12 @@ out:
if (unlikely(current->audit_context
&& nd && nd->dentry && nd->dentry->d_inode))
audit_inode(name, nd->dentry->d_inode, flags);
-out_fail:
+ return retval;
+
+fput_unlock_fail:
+ fput_light(file, fput_needed);
+unlock_fail:
+ read_unlock(&current->fs->lock);
return retval;
}
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