summaryrefslogtreecommitdiff
path: root/drivers/staging/rtl8192u
diff options
context:
space:
mode:
authorSalah Triki <salah.triki@acm.org>2016-05-04 06:42:47 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-06-19 05:49:02 +0300
commit28d653d7d17e774afa375b08fb55c4c0e22795ea (patch)
tree026620e946de8ebb3785858dcd4c3ea7b23031bd /drivers/staging/rtl8192u
parent6ae4e4b3028b277ab9bcf776bcbe4db8681af317 (diff)
downloadlinux-28d653d7d17e774afa375b08fb55c4c0e22795ea.tar.xz
staging: rtl8192u: propagate errors in write_nic_word
Propagate errors from kzalloc and usb_control_msg and change the return type of write_nic_word from void to int. Signed-off-by: Salah Triki <salah.triki@acm.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/rtl8192u')
-rw-r--r--drivers/staging/rtl8192u/r8192U.h2
-rw-r--r--drivers/staging/rtl8192u/r8192U_core.c10
2 files changed, 8 insertions, 4 deletions
diff --git a/drivers/staging/rtl8192u/r8192U.h b/drivers/staging/rtl8192u/r8192U.h
index e0abcf571d8f..27f9aa50943a 100644
--- a/drivers/staging/rtl8192u/r8192U.h
+++ b/drivers/staging/rtl8192u/r8192U.h
@@ -1131,7 +1131,7 @@ int read_nic_dword(struct net_device *dev, int x, u32 *data);
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);
-void write_nic_word(struct net_device *dev, int x, u16 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);
void force_pci_posting(struct net_device *dev);
diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c
index 675e898d52ce..10eeb1c7ce83 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -329,7 +329,7 @@ int write_nic_byte(struct net_device *dev, int indx, u8 data)
}
-void write_nic_word(struct net_device *dev, int indx, u16 data)
+int write_nic_word(struct net_device *dev, int indx, u16 data)
{
int status;
@@ -338,7 +338,7 @@ void write_nic_word(struct net_device *dev, int indx, u16 data)
u16 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
if (!usbdata)
- return;
+ return -ENOMEM;
*usbdata = data;
status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
@@ -347,8 +347,12 @@ void write_nic_word(struct net_device *dev, int indx, u16 data)
usbdata, 2, HZ / 2);
kfree(usbdata);
- if (status < 0)
+ if (status < 0) {
netdev_err(dev, "write_nic_word TimeOut! status: %d\n", status);
+ return status;
+ }
+
+ return 0;
}