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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-12-03 08:15:36 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-12-03 08:15:36 -0800 |
| commit | 8002cedc1adbf51e2d56091534ef7551b88329b4 (patch) | |
| tree | 2c65c82b2b5300eac581a0ee794d98f0b61593b6 /net/rfkill/rfkill.c | |
| parent | e87cb5db0dc357473ac71801051954ddd6ff604f (diff) | |
| parent | d523a328fb0271e1a763e985a21f2488fd816e7e (diff) | |
| download | lwn-8002cedc1adbf51e2d56091534ef7551b88329b4.tar.gz lwn-8002cedc1adbf51e2d56091534ef7551b88329b4.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/net-2.6: (27 commits)
[INET]: Fix inet_diag dead-lock regression
[NETNS]: Fix /proc/net breakage
[TEXTSEARCH]: Do not allow zero length patterns in the textsearch infrastructure
[NETFILTER]: fix forgotten module release in xt_CONNMARK and xt_CONNSECMARK
[NETFILTER]: xt_TCPMSS: remove network triggerable WARN_ON
[DECNET]: dn_nl_deladdr() almost always returns no error
[IPV6]: Restore IPv6 when MTU is big enough
[RXRPC]: Add missing select on CRYPTO
mac80211: rate limit wep decrypt failed messages
rfkill: fix double-mutex-locking
mac80211: drop unencrypted frames if encryption is expected
mac80211: Fix behavior of ieee80211_open and ieee80211_close
ieee80211: fix unaligned access in ieee80211_copy_snap
mac80211: free ifsta->extra_ie and clear IEEE80211_STA_PRIVACY_INVOKED
SCTP: Fix build issues with SCTP AUTH.
SCTP: Fix chunk acceptance when no authenticated chunks were listed.
SCTP: Fix the supported extensions paramter
SCTP: Fix SCTP-AUTH to correctly add HMACS paramter.
SCTP: Fix the number of HB transmissions.
[TCP] illinois: Incorrect beta usage
...
Diffstat (limited to 'net/rfkill/rfkill.c')
| -rw-r--r-- | net/rfkill/rfkill.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c index 73d60a307129..4469a7be006c 100644 --- a/net/rfkill/rfkill.c +++ b/net/rfkill/rfkill.c @@ -60,11 +60,7 @@ static void rfkill_led_trigger(struct rfkill *rfkill, static int rfkill_toggle_radio(struct rfkill *rfkill, enum rfkill_state state) { - int retval; - - retval = mutex_lock_interruptible(&rfkill->mutex); - if (retval) - return retval; + int retval = 0; if (state != rfkill->state) { retval = rfkill->toggle_radio(rfkill->data, state); @@ -74,7 +70,6 @@ static int rfkill_toggle_radio(struct rfkill *rfkill, } } - mutex_unlock(&rfkill->mutex); return retval; } @@ -158,12 +153,13 @@ static ssize_t rfkill_state_store(struct device *dev, if (!capable(CAP_NET_ADMIN)) return -EPERM; + if (mutex_lock_interruptible(&rfkill->mutex)) + return -ERESTARTSYS; error = rfkill_toggle_radio(rfkill, state ? RFKILL_STATE_ON : RFKILL_STATE_OFF); - if (error) - return error; + mutex_unlock(&rfkill->mutex); - return count; + return error ? error : count; } static ssize_t rfkill_claim_show(struct device *dev, |