openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

hyperv: remove unnecessary return variable 

hv_ringbuffer_read cleanup.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Stephen Hemminger 2017-03-04 18:27:15 -07:00 committed by Greg Kroah-Hartman
parent bdc1dd47db
commit 42dd271542
1 changed files with 2 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/hv/ring_buffer.c
View File

@ -341,13 +341,11 @@ int hv_ringbuffer_read(struct vmbus_channel *channel,
struct vmpacket_descriptor desc; struct vmpacket_descriptor desc;
u32 offset; u32 offset;
u32 packetlen; u32 packetlen;
int ret = 0;
struct hv_ring_buffer_info *inring_info = &channel->inbound; struct hv_ring_buffer_info *inring_info = &channel->inbound;
if (buflen <= 0) if (buflen <= 0)
return -EINVAL; return -EINVAL;
*buffer_actual_len = 0; *buffer_actual_len = 0;
*requestid = 0; *requestid = 0;
@ -358,7 +356,7 @@ int hv_ringbuffer_read(struct vmbus_channel *channel,
* No error is set when there is even no header, drivers are * No error is set when there is even no header, drivers are
* supposed to analyze buffer_actual_len. * supposed to analyze buffer_actual_len.
*/ */
return ret; return 0;
} }
init_cached_read_index(channel); init_cached_read_index(channel);
@ -403,5 +401,5 @@ int hv_ringbuffer_read(struct vmbus_channel *channel,
hv_signal_on_read(channel); hv_signal_on_read(channel);
return ret; return 0;
} }