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authorHenrique de Moraes Holschuh <hmh@hmh.eng.br>2008-08-26 11:57:57 -0300
committerJohn W. Linville <linville@tuxdriver.com>2008-08-29 16:24:10 -0400
commit849e0576a76bc421aacd782f97948856f487726c (patch)
tree284a8fec1a1b9e25f4c1e6bbeb8c739290c90b70
parent5701ed843ea87bf8a1d2c4dee5edcb463558db4a (diff)
rfkill: use strict_strtoul (v2)
Switch sysfs parsing to something that actually works properly. Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--net/rfkill/rfkill.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c
index 47e0b2d232e3..173d039d9909 100644
--- a/net/rfkill/rfkill.c
+++ b/net/rfkill/rfkill.c
@@ -402,12 +402,16 @@ static ssize_t rfkill_state_store(struct device *dev,
const char *buf, size_t count)
{
struct rfkill *rfkill = to_rfkill(dev);
- unsigned int state = simple_strtoul(buf, NULL, 0);
+ unsigned long state;
int error;
if (!capable(CAP_NET_ADMIN))
return -EPERM;
+ error = strict_strtoul(buf, 0, &state);
+ if (error)
+ return error;
+
/* RFKILL_STATE_HARD_BLOCKED is illegal here... */
if (state != RFKILL_STATE_UNBLOCKED &&
state != RFKILL_STATE_SOFT_BLOCKED)
@@ -435,7 +439,8 @@ static ssize_t rfkill_claim_store(struct device *dev,
const char *buf, size_t count)
{
struct rfkill *rfkill = to_rfkill(dev);
- bool claim = !!simple_strtoul(buf, NULL, 0);
+ unsigned long claim_tmp;
+ bool claim;
int error;
if (!capable(CAP_NET_ADMIN))
@@ -444,6 +449,11 @@ static ssize_t rfkill_claim_store(struct device *dev,
if (rfkill->user_claim_unsupported)
return -EOPNOTSUPP;
+ error = strict_strtoul(buf, 0, &claim_tmp);
+ if (error)
+ return error;
+ claim = !!claim_tmp;
+
/*
* Take the global lock to make sure the kernel is not in
* the middle of rfkill_switch_all