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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-01 12:01:10 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-01 12:01:10 -0700 |
| commit | ef99f3aee9641d10a7c80d4803d2f0f004c797ca (patch) | |
| tree | 83f14ccef66db48fc4178bd8b973462006de86b8 /fs/sysfs/dir.c | |
| parent | cb06ff102e2d79a82cf780aa5e6947b2e0529ac0 (diff) | |
| parent | 07961ac7c0ee8b546658717034fe692fd12eefa9 (diff) | |
| download | linux-ef99f3aee9641d10a7c80d4803d2f0f004c797ca.tar.gz linux-ef99f3aee9641d10a7c80d4803d2f0f004c797ca.tar.bz2 linux-ef99f3aee9641d10a7c80d4803d2f0f004c797ca.zip | |
Merge 3.9-rc5 into tty-next
We need the fixes here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/sysfs/dir.c')
| -rw-r--r-- | fs/sysfs/dir.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index 2fbdff6be25c..e14512678c9b 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -1020,6 +1020,8 @@ static int sysfs_readdir(struct file * filp, void * dirent, filldir_t filldir) ino = parent_sd->s_ino; if (filldir(dirent, ".", 1, filp->f_pos, ino, DT_DIR) == 0) filp->f_pos++; + else + return 0; } if (filp->f_pos == 1) { if (parent_sd->s_parent) @@ -1028,6 +1030,8 @@ static int sysfs_readdir(struct file * filp, void * dirent, filldir_t filldir) ino = parent_sd->s_ino; if (filldir(dirent, "..", 2, filp->f_pos, ino, DT_DIR) == 0) filp->f_pos++; + else + return 0; } mutex_lock(&sysfs_mutex); for (pos = sysfs_dir_pos(ns, parent_sd, filp->f_pos, pos); @@ -1058,10 +1062,21 @@ static int sysfs_readdir(struct file * filp, void * dirent, filldir_t filldir) return 0; } +static loff_t sysfs_dir_llseek(struct file *file, loff_t offset, int whence) +{ + struct inode *inode = file_inode(file); + loff_t ret; + + mutex_lock(&inode->i_mutex); + ret = generic_file_llseek(file, offset, whence); + mutex_unlock(&inode->i_mutex); + + return ret; +} const struct file_operations sysfs_dir_operations = { .read = generic_read_dir, .readdir = sysfs_readdir, .release = sysfs_dir_release, - .llseek = generic_file_llseek, + .llseek = sysfs_dir_llseek, }; |