diff options
author | Takashi Iwai <tiwai@suse.de> | 2010-12-13 03:28:43 -0500 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2010-12-13 03:28:43 -0500 |
commit | 20aeeb356ba2e8daa99b5942c528ae2b3ea28433 (patch) | |
tree | d2cebc7039954851998d592123899f5627def7a9 /fs/pipe.c | |
parent | 07a9e2b2fbdda631eeff54e4b8ebcaaea71be538 (diff) | |
parent | 5b84ba26a9672e615897234fa5efd3eea2d6b295 (diff) |
Merge branch 'topic/workq-update' into topic/asoc
Conflicts:
sound/soc/codecs/wm8350.c
sound/soc/codecs/wm8753.c
sound/soc/sh/fsi.c
sound/soc/soc-core.c
Diffstat (limited to 'fs/pipe.c')
-rw-r--r-- | fs/pipe.c | 14 |
1 files changed, 13 insertions, 1 deletions
@@ -1199,12 +1199,24 @@ int pipe_proc_fn(struct ctl_table *table, int write, void __user *buf, | |||
1199 | return ret; | 1199 | return ret; |
1200 | } | 1200 | } |
1201 | 1201 | ||
1202 | /* | ||
1203 | * After the inode slimming patch, i_pipe/i_bdev/i_cdev share the same | ||
1204 | * location, so checking ->i_pipe is not enough to verify that this is a | ||
1205 | * pipe. | ||
1206 | */ | ||
1207 | struct pipe_inode_info *get_pipe_info(struct file *file) | ||
1208 | { | ||
1209 | struct inode *i = file->f_path.dentry->d_inode; | ||
1210 | |||
1211 | return S_ISFIFO(i->i_mode) ? i->i_pipe : NULL; | ||
1212 | } | ||
1213 | |||
1202 | long pipe_fcntl(struct file *file, unsigned int cmd, unsigned long arg) | 1214 | long pipe_fcntl(struct file *file, unsigned int cmd, unsigned long arg) |
1203 | { | 1215 | { |
1204 | struct pipe_inode_info *pipe; | 1216 | struct pipe_inode_info *pipe; |
1205 | long ret; | 1217 | long ret; |
1206 | 1218 | ||
1207 | pipe = file->f_path.dentry->d_inode->i_pipe; | 1219 | pipe = get_pipe_info(file); |
1208 | if (!pipe) | 1220 | if (!pipe) |
1209 | return -EBADF; | 1221 | return -EBADF; |
1210 | 1222 | ||