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authorMaxim Mikityanskiy <maxtram95@gmail.com>2012-12-15 19:31:25 +0200
committerMatthew Garrett <matthew.garrett@nebula.com>2013-02-24 14:49:53 -0800
commit27eb9e7f1211ecab64027113478867adfed6a7c8 (patch)
tree6afa5ebdc2302dffaa88144a1d02dfd9dda63d3c /drivers/platform
parent6cae06e603339f99334bc6b276e2ac619cf0d476 (diff)
msi-laptop: Use proper return codes instead of -1
Use proper function return codes instead of -1 Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com> Signed-off-by: Lee, Chun-Yi <jlee@suse.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/x86/msi-laptop.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c
index 2111dbb7e1e3..063113ca299e 100644
--- a/drivers/platform/x86/msi-laptop.c
+++ b/drivers/platform/x86/msi-laptop.c
@@ -198,7 +198,7 @@ static ssize_t set_device_state(const char *buf, size_t count, u8 mask)
/* read current device state */
result = ec_read(MSI_STANDARD_EC_COMMAND_ADDRESS, &rdata);
if (result < 0)
- return -EINVAL;
+ return result;
if (!!(rdata & mask) != status) {
/* reverse device bit */
@@ -209,7 +209,7 @@ static ssize_t set_device_state(const char *buf, size_t count, u8 mask)
result = ec_write(MSI_STANDARD_EC_COMMAND_ADDRESS, wdata);
if (result < 0)
- return -EINVAL;
+ return result;
}
return count;
@@ -222,7 +222,7 @@ static int get_wireless_state(int *wlan, int *bluetooth)
result = ec_transaction(MSI_EC_COMMAND_WIRELESS, &wdata, 1, &rdata, 1);
if (result < 0)
- return -1;
+ return result;
if (wlan)
*wlan = !!(rdata & 8);
@@ -240,7 +240,7 @@ static int get_wireless_state_ec_standard(void)
result = ec_read(MSI_STANDARD_EC_COMMAND_ADDRESS, &rdata);
if (result < 0)
- return -1;
+ return result;
wlan_s = !!(rdata & MSI_STANDARD_EC_WLAN_MASK);
@@ -258,7 +258,7 @@ static int get_threeg_exists(void)
result = ec_read(MSI_STANDARD_EC_DEVICES_EXISTS_ADDRESS, &rdata);
if (result < 0)
- return -1;
+ return result;
threeg_exists = !!(rdata & MSI_STANDARD_EC_3G_MASK);
@@ -343,7 +343,7 @@ static ssize_t show_threeg(struct device *dev,
/* old msi ec not support 3G */
if (old_ec_model)
- return -1;
+ return -ENODEV;
ret = get_wireless_state_ec_standard();
if (ret < 0)