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path: root/drivers/net/wireless/libertas/debugfs.c
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Diffstat (limited to 'drivers/net/wireless/libertas/debugfs.c')
-rw-r--r--drivers/net/wireless/libertas/debugfs.c27
1 files changed, 18 insertions, 9 deletions
diff --git a/drivers/net/wireless/libertas/debugfs.c b/drivers/net/wireless/libertas/debugfs.c
index 893a55ca344..587b0cb0088 100644
--- a/drivers/net/wireless/libertas/debugfs.c
+++ b/drivers/net/wireless/libertas/debugfs.c
@@ -451,10 +451,12 @@ static ssize_t lbs_rdmac_read(struct file *file, char __user *userbuf,
CMD_MAC_REG_ACCESS, 0,
CMD_OPTION_WAITFORRSP, 0, &offval);
mdelay(10);
- pos += snprintf(buf+pos, len-pos, "MAC[0x%x] = 0x%08x\n",
+ if (!ret) {
+ pos += snprintf(buf+pos, len-pos, "MAC[0x%x] = 0x%08x\n",
priv->mac_offset, priv->offsetvalue.value);
- ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+ ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+ }
free_page(addr);
return ret;
}
@@ -514,7 +516,8 @@ static ssize_t lbs_wrmac_write(struct file *file,
CMD_OPTION_WAITFORRSP, 0, &offval);
mdelay(10);
- res = count;
+ if (!res)
+ res = count;
out_unlock:
free_page(addr);
return res;
@@ -539,10 +542,12 @@ static ssize_t lbs_rdbbp_read(struct file *file, char __user *userbuf,
CMD_BBP_REG_ACCESS, 0,
CMD_OPTION_WAITFORRSP, 0, &offval);
mdelay(10);
- pos += snprintf(buf+pos, len-pos, "BBP[0x%x] = 0x%08x\n",
+ if (!ret) {
+ pos += snprintf(buf+pos, len-pos, "BBP[0x%x] = 0x%08x\n",
priv->bbp_offset, priv->offsetvalue.value);
- ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+ ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+ }
free_page(addr);
return ret;
@@ -603,7 +608,8 @@ static ssize_t lbs_wrbbp_write(struct file *file,
CMD_OPTION_WAITFORRSP, 0, &offval);
mdelay(10);
- res = count;
+ if (!res)
+ res = count;
out_unlock:
free_page(addr);
return res;
@@ -628,10 +634,12 @@ static ssize_t lbs_rdrf_read(struct file *file, char __user *userbuf,
CMD_RF_REG_ACCESS, 0,
CMD_OPTION_WAITFORRSP, 0, &offval);
mdelay(10);
- pos += snprintf(buf+pos, len-pos, "RF[0x%x] = 0x%08x\n",
+ if (!ret) {
+ pos += snprintf(buf+pos, len-pos, "RF[0x%x] = 0x%08x\n",
priv->rf_offset, priv->offsetvalue.value);
- ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+ ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+ }
free_page(addr);
return ret;
@@ -692,7 +700,8 @@ static ssize_t lbs_wrrf_write(struct file *file,
CMD_OPTION_WAITFORRSP, 0, &offval);
mdelay(10);
- res = count;
+ if (!res)
+ res = count;
out_unlock:
free_page(addr);
return res;