[PATCH v2] at76c50x-usb: check memory allocation failure

[Himanshu Jha]

Check memory allocation failure and return -ENOMEM rather than just
retuning void.

Signed-off-by: Himanshu Jha <himanshujha199...@gmail.com>
---
 drivers/net/wireless/atmel/at76c50x-usb.c | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/drivers/net/wireless/atmel/at76c50x-usb.c 
b/drivers/net/wireless/atmel/at76c50x-usb.c
index 09defbc..ceb453b 100644
--- a/drivers/net/wireless/atmel/at76c50x-usb.c
+++ b/drivers/net/wireless/atmel/at76c50x-usb.c
@@ -932,7 +932,7 @@ static int at76_set_autorate_fallback(struct at76_priv 
*priv, int onoff)
        return ret;
 }
 
-static void at76_dump_mib_mac_addr(struct at76_priv *priv)
+static int at76_dump_mib_mac_addr(struct at76_priv *priv)
 {
        int i;
        int ret;
@@ -940,7 +940,7 @@ static void at76_dump_mib_mac_addr(struct at76_priv *priv)
                                         GFP_KERNEL);
 
        if (!m)
-               return;
+               return -ENOMEM;
 
        ret = at76_get_mib(priv->udev, MIB_MAC_ADDR, m,
                           sizeof(struct mib_mac_addr));
@@ -961,7 +961,7 @@ static void at76_dump_mib_mac_addr(struct at76_priv *priv)
        kfree(m);
 }
 
-static void at76_dump_mib_mac_wep(struct at76_priv *priv)
+static int at76_dump_mib_mac_wep(struct at76_priv *priv)
 {
        int i;
        int ret;
@@ -969,7 +969,7 @@ static void at76_dump_mib_mac_wep(struct at76_priv *priv)
        struct mib_mac_wep *m = kmalloc(sizeof(struct mib_mac_wep), GFP_KERNEL);
 
        if (!m)
-               return;
+               return -ENOMEM;
 
        ret = at76_get_mib(priv->udev, MIB_MAC_WEP, m,
                           sizeof(struct mib_mac_wep));
@@ -999,14 +999,14 @@ static void at76_dump_mib_mac_wep(struct at76_priv *priv)
        kfree(m);
 }
 
-static void at76_dump_mib_mac_mgmt(struct at76_priv *priv)
+static int at76_dump_mib_mac_mgmt(struct at76_priv *priv)
 {
        int ret;
        struct mib_mac_mgmt *m = kmalloc(sizeof(struct mib_mac_mgmt),
                                         GFP_KERNEL);
 
        if (!m)
-               return;
+               return -ENOMEM;
 
        ret = at76_get_mib(priv->udev, MIB_MAC_MGMT, m,
                           sizeof(struct mib_mac_mgmt));
@@ -1037,13 +1037,13 @@ static void at76_dump_mib_mac_mgmt(struct at76_priv 
*priv)
        kfree(m);
 }
 
-static void at76_dump_mib_mac(struct at76_priv *priv)
+static int at76_dump_mib_mac(struct at76_priv *priv)
 {
        int ret;
        struct mib_mac *m = kmalloc(sizeof(struct mib_mac), GFP_KERNEL);
 
        if (!m)
-               return;
+               return -ENOMEM;
 
        ret = at76_get_mib(priv->udev, MIB_MAC, m, sizeof(struct mib_mac));
        if (ret < 0) {
@@ -1074,13 +1074,13 @@ static void at76_dump_mib_mac(struct at76_priv *priv)
        kfree(m);
 }
 
-static void at76_dump_mib_phy(struct at76_priv *priv)
+static int at76_dump_mib_phy(struct at76_priv *priv)
 {
        int ret;
        struct mib_phy *m = kmalloc(sizeof(struct mib_phy), GFP_KERNEL);
 
        if (!m)
-               return;
+               return -ENOMEM;
 
        ret = at76_get_mib(priv->udev, MIB_PHY, m, sizeof(struct mib_phy));
        if (ret < 0) {
@@ -1107,13 +1107,13 @@ static void at76_dump_mib_phy(struct at76_priv *priv)
        kfree(m);
 }
 
-static void at76_dump_mib_local(struct at76_priv *priv)
+static int at76_dump_mib_local(struct at76_priv *priv)
 {
        int ret;
        struct mib_local *m = kmalloc(sizeof(*m), GFP_KERNEL);
 
        if (!m)
-               return;
+               return -ENOMEM;
 
        ret = at76_get_mib(priv->udev, MIB_LOCAL, m, sizeof(*m));
        if (ret < 0) {
@@ -1132,13 +1132,13 @@ static void at76_dump_mib_local(struct at76_priv *priv)
        kfree(m);
 }
 
-static void at76_dump_mib_mdomain(struct at76_priv *priv)
+static int at76_dump_mib_mdomain(struct at76_priv *priv)
 {
        int ret;
        struct mib_mdomain *m = kmalloc(sizeof(struct mib_mdomain), GFP_KERNEL);
 
        if (!m)
-               return;
+               return -ENOMEM;
 
        ret = at76_get_mib(priv->udev, MIB_MDOMAIN, m,
                           sizeof(struct mib_mdomain));
-- 
2.7.4