diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2012-07-30 09:13:03 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2012-07-30 09:13:03 +0200 |
| commit | fcb06702f023a0e7b1e6ebf9746f34b610ca0508 (patch) | |
| tree | db022324c4978dd9af059be38822d23455a45f55 /fs/fifo.c | |
| parent | 5e31fc0815a4e2c72b1b495fe7a0d8f9bfb9e4b4 (diff) | |
| parent | 9dbf5f55f8d35ff9aedc75267f4e4042aaf89755 (diff) | |
Merge remote-tracking branch 'wireless/master' into mac80211
Diffstat (limited to 'fs/fifo.c')
| -rw-r--r-- | fs/fifo.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/fs/fifo.c b/fs/fifo.c index b1a524d798e7..cf6f4345ceb0 100644 --- a/fs/fifo.c +++ b/fs/fifo.c @@ -14,7 +14,7 @@ #include <linux/sched.h> #include <linux/pipe_fs_i.h> -static void wait_for_partner(struct inode* inode, unsigned int *cnt) +static int wait_for_partner(struct inode* inode, unsigned int *cnt) { int cur = *cnt; @@ -23,6 +23,7 @@ static void wait_for_partner(struct inode* inode, unsigned int *cnt) if (signal_pending(current)) break; } + return cur == *cnt ? -ERESTARTSYS : 0; } static void wake_up_partner(struct inode* inode) @@ -67,8 +68,7 @@ static int fifo_open(struct inode *inode, struct file *filp) * seen a writer */ filp->f_version = pipe->w_counter; } else { - wait_for_partner(inode, &pipe->w_counter); - if(signal_pending(current)) + if (wait_for_partner(inode, &pipe->w_counter)) goto err_rd; } } @@ -90,8 +90,7 @@ static int fifo_open(struct inode *inode, struct file *filp) wake_up_partner(inode); if (!pipe->readers) { - wait_for_partner(inode, &pipe->r_counter); - if (signal_pending(current)) + if (wait_for_partner(inode, &pipe->r_counter)) goto err_wr; } break; |