Propagate errors from kzalloc and usb_control_msg and change the
return type of write_nic_dword from void to int.
Signed-off-by: Salah Triki <salah.triki@xxxxxxx>
---
drivers/staging/rtl8192u/r8192U.h | 2 +-
drivers/staging/rtl8192u/r8192U_core.c | 9 ++++++---
2 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/rtl8192u/r8192U.h b/drivers/staging/rtl8192u/r8192U.h
index 27f9aa5..eb0c351 100644
--- a/drivers/staging/rtl8192u/r8192U.h
+++ b/drivers/staging/rtl8192u/r8192U.h
@@ -1132,7 +1132,7 @@ int read_nic_word(struct net_device *dev, int x, u16 *data);
int write_nic_byte(struct net_device *dev, int x, u8 y);
int write_nic_byte_E(struct net_device *dev, int x, u8 y);
int write_nic_word(struct net_device *dev, int x, u16 y);
-void write_nic_dword(struct net_device *dev, int x, u32 y);
+int write_nic_dword(struct net_device *dev, int x, u32 y);
void force_pci_posting(struct net_device *dev);
void rtl8192_rtx_disable(struct net_device *);
diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c
index 1ffbb32..27f41eb 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -357,7 +357,7 @@ int write_nic_word(struct net_device *dev, int indx, u16 data)
}
-void write_nic_dword(struct net_device *dev, int indx, u32 data)
+int write_nic_dword(struct net_device *dev, int indx, u32 data)
{
int status;
@@ -367,7 +367,7 @@ void write_nic_dword(struct net_device *dev, int indx, u32 data)
u32 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
if (!usbdata)
- return;
+ return -ENOMEM;
*usbdata = data;
status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
@@ -377,10 +377,13 @@ void write_nic_dword(struct net_device *dev, int indx, u32 data)
kfree(usbdata);
- if (status < 0)
+ if (status < 0){
netdev_err(dev, "write_nic_dword TimeOut! status: %d\n",
status);
+ return status;
+ }
+ return 0;
}
--
1.9.1
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