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| author | Peter Zijlstra <peterz@infradead.org> | 2013-10-02 11:22:33 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-10-04 10:16:25 +0200 |
| commit | 35a2af94c7ce7130ca292c68b1d27fcfdb648f6b (patch) | |
| tree | 10b28670fb387984751de104913db9408ade8741 /arch/mips/kernel/rtlx.c | |
| parent | ebdc195f2ec68576876216081035293e37318e86 (diff) | |
| download | linux-35a2af94c7ce7130ca292c68b1d27fcfdb648f6b.tar.gz linux-35a2af94c7ce7130ca292c68b1d27fcfdb648f6b.tar.bz2 linux-35a2af94c7ce7130ca292c68b1d27fcfdb648f6b.zip | |
sched/wait: Make the __wait_event*() interface more friendly
Change all __wait_event*() implementations to match the corresponding
wait_event*() signature for convenience.
In particular this does away with the weird 'ret' logic. Since there
are __wait_event*() users this requires we update them too.
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20131002092529.042563462@infradead.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/mips/kernel/rtlx.c')
| -rw-r--r-- | arch/mips/kernel/rtlx.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c index d763f11e35e2..2c12ea1668d1 100644 --- a/arch/mips/kernel/rtlx.c +++ b/arch/mips/kernel/rtlx.c @@ -172,8 +172,9 @@ int rtlx_open(int index, int can_sleep) if (rtlx == NULL) { if( (p = vpe_get_shared(tclimit)) == NULL) { if (can_sleep) { - __wait_event_interruptible(channel_wqs[index].lx_queue, - (p = vpe_get_shared(tclimit)), ret); + ret = __wait_event_interruptible( + channel_wqs[index].lx_queue, + (p = vpe_get_shared(tclimit))); if (ret) goto out_fail; } else { @@ -263,11 +264,10 @@ unsigned int rtlx_read_poll(int index, int can_sleep) /* data available to read? */ if (chan->lx_read == chan->lx_write) { if (can_sleep) { - int ret = 0; - - __wait_event_interruptible(channel_wqs[index].lx_queue, + int ret = __wait_event_interruptible( + channel_wqs[index].lx_queue, (chan->lx_read != chan->lx_write) || - sp_stopping, ret); + sp_stopping); if (ret) return ret; @@ -440,14 +440,13 @@ static ssize_t file_write(struct file *file, const char __user * buffer, /* any space left... */ if (!rtlx_write_poll(minor)) { - int ret = 0; + int ret; if (file->f_flags & O_NONBLOCK) return -EAGAIN; - __wait_event_interruptible(channel_wqs[minor].rt_queue, - rtlx_write_poll(minor), - ret); + ret = __wait_event_interruptible(channel_wqs[minor].rt_queue, + rtlx_write_poll(minor)); if (ret) return ret; } |