diff options
| author | Henrique de Moraes Holschuh <hmh@hmh.eng.br> | 2008-10-09 23:15:29 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-11-01 00:00:08 +0100 |
| commit | cf4b4aab552f5f658ed400dd0cd41f9ac8aac7c1 (patch) | |
| tree | ae4d83e4d7b1f2ec868c46e37578128502aadec2 /net/rfkill | |
| parent | mac80211: introduce hw config change flags (diff) | |
| download | linux-cf4b4aab552f5f658ed400dd0cd41f9ac8aac7c1.tar.xz linux-cf4b4aab552f5f658ed400dd0cd41f9ac8aac7c1.zip | |
rfkill: use killable locks instead of interruptible
Apparently, many applications don't expect to get EAGAIN from fd read/write
operations, since POSIX doesn't mandate it.
Use mutex_lock_killable instead of mutex_lock_interruptible, which won't
cause issues.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/rfkill')
| -rw-r--r-- | net/rfkill/rfkill.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c index f949a482b007..08be968f578d 100644 --- a/net/rfkill/rfkill.c +++ b/net/rfkill/rfkill.c @@ -431,8 +431,9 @@ static ssize_t rfkill_state_store(struct device *dev, state != RFKILL_STATE_SOFT_BLOCKED) return -EINVAL; - if (mutex_lock_interruptible(&rfkill->mutex)) - return -ERESTARTSYS; + error = mutex_lock_killable(&rfkill->mutex); + if (error) + return error; error = rfkill_toggle_radio(rfkill, state, 0); mutex_unlock(&rfkill->mutex); @@ -472,7 +473,7 @@ static ssize_t rfkill_claim_store(struct device *dev, * Take the global lock to make sure the kernel is not in * the middle of rfkill_switch_all */ - error = mutex_lock_interruptible(&rfkill_global_mutex); + error = mutex_lock_killable(&rfkill_global_mutex); if (error) return error; |