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author | Al Viro <viro@zeniv.linux.org.uk> | 2012-07-20 01:15:31 +0400 |
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committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-07-29 21:24:13 +0400 |
commit | 921a1650de9eed40dd64d681aba4a4d98856f289 (patch) | |
tree | c4740f5ee8de85ebbb1b519acf2b8e249bce0c56 /fs/namei.c | |
parent | 25b2692a8ace4c2684d3899a0bfe55f8c4248899 (diff) | |
download | linux-921a1650de9eed40dd64d681aba4a4d98856f289.tar.gz linux-921a1650de9eed40dd64d681aba4a4d98856f289.tar.bz2 linux-921a1650de9eed40dd64d681aba4a4d98856f289.zip |
new helper: done_path_create()
releases what needs to be released after {kern,user}_path_create()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/namei.c')
-rw-r--r-- | fs/namei.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/fs/namei.c b/fs/namei.c index 2ccc35c4dc24..5bc6f3d1dc8a 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -2893,6 +2893,14 @@ out: } EXPORT_SYMBOL(kern_path_create); +void done_path_create(struct path *path, struct dentry *dentry) +{ + dput(dentry); + mutex_unlock(&path->dentry->d_inode->i_mutex); + path_put(path); +} +EXPORT_SYMBOL(done_path_create); + struct dentry *user_path_create(int dfd, const char __user *pathname, struct path *path, int is_dir) { char *tmp = getname(pathname); @@ -2989,9 +2997,7 @@ SYSCALL_DEFINE4(mknodat, int, dfd, const char __user *, filename, umode_t, mode, out_drop_write: mnt_drop_write(path.mnt); out_dput: - dput(dentry); - mutex_unlock(&path.dentry->d_inode->i_mutex); - path_put(&path); + done_path_create(&path, dentry); return error; } @@ -3048,9 +3054,7 @@ SYSCALL_DEFINE3(mkdirat, int, dfd, const char __user *, pathname, umode_t, mode) out_drop_write: mnt_drop_write(path.mnt); out_dput: - dput(dentry); - mutex_unlock(&path.dentry->d_inode->i_mutex); - path_put(&path); + done_path_create(&path, dentry); return error; } @@ -3334,9 +3338,7 @@ SYSCALL_DEFINE3(symlinkat, const char __user *, oldname, out_drop_write: mnt_drop_write(path.mnt); out_dput: - dput(dentry); - mutex_unlock(&path.dentry->d_inode->i_mutex); - path_put(&path); + done_path_create(&path, dentry); out_putname: putname(from); return error; @@ -3446,9 +3448,7 @@ SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname, out_drop_write: mnt_drop_write(new_path.mnt); out_dput: - dput(new_dentry); - mutex_unlock(&new_path.dentry->d_inode->i_mutex); - path_put(&new_path); + done_path_create(&new_path, new_dentry); out: path_put(&old_path); |