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| author | Changli Gao <xiaosuo@gmail.com> | 2007-07-15 23:40:09 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-16 09:05:43 -0700 |
| commit | 99fc06df72fe1c9ad3ec274720dcb5658c40bfd2 (patch) | |
| tree | 1a5913a12185031e2076618884988afc6ef5759e | |
| parent | 17973f5af741f1758ed57c5115ca394c22bee159 (diff) | |
| download | linux-3.10-99fc06df72fe1c9ad3ec274720dcb5658c40bfd2.tar.gz linux-3.10-99fc06df72fe1c9ad3ec274720dcb5658c40bfd2.tar.bz2 linux-3.10-99fc06df72fe1c9ad3ec274720dcb5658c40bfd2.zip | |
procfs directory entry cleanup
Function proc_register() will assign proc_dir_operations and
proc_dir_inode_operations to ent's members proc_fops and proc_iops
correctly if ent is a directory. So the early assignment isn't
necessary.
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | fs/proc/generic.c | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/fs/proc/generic.c b/fs/proc/generic.c index 4f8e53568b2..b5e7155d30d 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -530,12 +530,6 @@ static int proc_register(struct proc_dir_entry * dir, struct proc_dir_entry * dp return -EAGAIN; dp->low_ino = i; - spin_lock(&proc_subdir_lock); - dp->next = dir->subdir; - dp->parent = dir; - dir->subdir = dp; - spin_unlock(&proc_subdir_lock); - if (S_ISDIR(dp->mode)) { if (dp->proc_iops == NULL) { dp->proc_fops = &proc_dir_operations; @@ -551,6 +545,13 @@ static int proc_register(struct proc_dir_entry * dir, struct proc_dir_entry * dp if (dp->proc_iops == NULL) dp->proc_iops = &proc_file_inode_operations; } + + spin_lock(&proc_subdir_lock); + dp->next = dir->subdir; + dp->parent = dir; + dir->subdir = dp; + spin_unlock(&proc_subdir_lock); + return 0; } @@ -653,9 +654,6 @@ struct proc_dir_entry *proc_mkdir_mode(const char *name, mode_t mode, ent = proc_create(&parent, name, S_IFDIR | mode, 2); if (ent) { - ent->proc_fops = &proc_dir_operations; - ent->proc_iops = &proc_dir_inode_operations; - if (proc_register(parent, ent) < 0) { kfree(ent); ent = NULL; @@ -690,10 +688,6 @@ struct proc_dir_entry *create_proc_entry(const char *name, mode_t mode, ent = proc_create(&parent,name,mode,nlink); if (ent) { - if (S_ISDIR(mode)) { - ent->proc_fops = &proc_dir_operations; - ent->proc_iops = &proc_dir_inode_operations; - } if (proc_register(parent, ent) < 0) { kfree(ent); ent = NULL; |