diff options
author | David Kershner | 2017-03-28 15:34:54 +0200 |
---|---|---|
committer | Greg Kroah-Hartman | 2017-03-29 09:17:03 +0200 |
commit | b4a8e6ae1744b775fd3656e6b83cbbdaa06fb73c (patch) | |
tree | cc6fb429583035f2852e54ee42736dcf7a66570e /drivers/staging/unisys/visorbus/visorchipset.c | |
parent | staging: unisys: visorbus: add error handling to initiate_chipset_device_paus... (diff) | |
download | kernel-qcow2-linux-b4a8e6ae1744b775fd3656e6b83cbbdaa06fb73c.tar.gz kernel-qcow2-linux-b4a8e6ae1744b775fd3656e6b83cbbdaa06fb73c.tar.xz kernel-qcow2-linux-b4a8e6ae1744b775fd3656e6b83cbbdaa06fb73c.zip |
staging: unisys: visorbus: add error handling to chipset_device_pause/resume
If there is an error in chipset_device_pause/resume don't try to respond,
error out and let the calling functions respond to this error just like
any other error they encounter.
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/unisys/visorbus/visorchipset.c')
-rw-r--r-- | drivers/staging/unisys/visorbus/visorchipset.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/staging/unisys/visorbus/visorchipset.c b/drivers/staging/unisys/visorbus/visorchipset.c index be1171e00ea3..260307b83a2f 100644 --- a/drivers/staging/unisys/visorbus/visorchipset.c +++ b/drivers/staging/unisys/visorbus/visorchipset.c @@ -883,7 +883,7 @@ my_device_changestate(struct controlvm_message *inmsg) u32 dev_no = cmd->device_change_state.dev_no; struct spar_segment_state state = cmd->device_change_state.state; struct visor_device *dev_info; - int err; + int err = 0; dev_info = visorbus_get_device_by_id(bus_no, dev_no, NULL); if (!dev_info) { @@ -918,7 +918,7 @@ my_device_changestate(struct controlvm_message *inmsg) if (state.alive == segment_state_running.alive && state.operating == segment_state_running.operating) /* Response will be sent from chipset_device_resume */ - chipset_device_resume(dev_info); + err = chipset_device_resume(dev_info); /* ServerNotReady / ServerLost / SegmentStateStandby */ else if (state.alive == segment_state_standby.alive && state.operating == segment_state_standby.operating) @@ -926,7 +926,10 @@ my_device_changestate(struct controlvm_message *inmsg) * technically this is standby case where server is lost. * Response will be sent from chipset_device_pause. */ - chipset_device_pause(dev_info); + err = chipset_device_pause(dev_info); + if (err) + goto err_respond; + return 0; err_respond: |