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| author | Grant Likely <grant.likely@secretlab.ca> | 2012-07-25 06:31:09 +0200 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2012-07-25 06:34:40 +0200 |
| commit | 6aeea3ecc33b1f36dbc3b80461d15a7052ae424f (patch) | |
| tree | bbd273e3e0ca76094aed8e9c77e5adfe2b07f779 /fs/fifo.c | |
| parent | irqdomain: Fix irq_create_direct_mapping() to test irq_domain type. (diff) | |
| parent | Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi (diff) | |
| download | linux-6aeea3ecc33b1f36dbc3b80461d15a7052ae424f.tar.xz linux-6aeea3ecc33b1f36dbc3b80461d15a7052ae424f.zip | |
Merge remote-tracking branch 'origin' into irqdomain/next
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; |