diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2009-08-15 05:58:45 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-08-15 05:58:45 +0900 |
| commit | d2dcd9101b1a940ce8496601ba871e47f84881ec (patch) | |
| tree | 3de9cb11379d51eb01b568a20c8d7c585c89d10e /net/rfkill/core.c | |
| parent | 8010fbe7a67c2f993cbb11b9d8b7e98528256dd1 (diff) | |
| parent | 606b4c992f3b28f906100f1b6eb49059909d8da7 (diff) | |
Merge branch 'master' into sh/cachetlb
Diffstat (limited to 'net/rfkill/core.c')
| -rw-r--r-- | net/rfkill/core.c | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/net/rfkill/core.c b/net/rfkill/core.c index 79693fe2001e..2fc4a1724eb8 100644 --- a/net/rfkill/core.c +++ b/net/rfkill/core.c @@ -549,6 +549,10 @@ void rfkill_set_states(struct rfkill *rfkill, bool sw, bool hw) swprev = !!(rfkill->state & RFKILL_BLOCK_SW); hwprev = !!(rfkill->state & RFKILL_BLOCK_HW); __rfkill_set_sw_state(rfkill, sw); + if (hw) + rfkill->state |= RFKILL_BLOCK_HW; + else + rfkill->state &= ~RFKILL_BLOCK_HW; spin_unlock_irqrestore(&rfkill->lock, flags); @@ -648,15 +652,26 @@ static ssize_t rfkill_state_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - /* - * The intention was that userspace can only take control over - * a given device when/if rfkill-input doesn't control it due - * to user_claim. Since user_claim is currently unsupported, - * we never support changing the state from userspace -- this - * can be implemented again later. - */ + struct rfkill *rfkill = to_rfkill(dev); + unsigned long state; + int err; + + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + + err = strict_strtoul(buf, 0, &state); + if (err) + return err; + + if (state != RFKILL_USER_STATE_SOFT_BLOCKED && + state != RFKILL_USER_STATE_UNBLOCKED) + return -EINVAL; + + mutex_lock(&rfkill_global_mutex); + rfkill_set_block(rfkill, state == RFKILL_USER_STATE_SOFT_BLOCKED); + mutex_unlock(&rfkill_global_mutex); - return -EPERM; + return err ?: count; } static ssize_t rfkill_claim_show(struct device *dev, |