summaryrefslogtreecommitdiffstats
path: root/drivers/staging/unisys/visorbus/visorchipset.c
diff options
context:
space:
mode:
authorDavid Kershner2017-03-28 15:34:35 +0200
committerGreg Kroah-Hartman2017-03-29 09:17:02 +0200
commit621f5e185200a9d68662301cfcce08b33d23f071 (patch)
tree5fe417ad54e05944496d51eaa5e38306b176883f /drivers/staging/unisys/visorbus/visorchipset.c
parentstaging: unisys: visorbus: remaining_steps convert ret to err (diff)
downloadkernel-qcow2-linux-621f5e185200a9d68662301cfcce08b33d23f071.tar.gz
kernel-qcow2-linux-621f5e185200a9d68662301cfcce08b33d23f071.tar.xz
kernel-qcow2-linux-621f5e185200a9d68662301cfcce08b33d23f071.zip
staging: unisys: visorbus: add error handling to chipset_bus_create
The function chipset_bus_create should return an error. If an error is returned, it is assumed the response has not been sent by bus_create. Correctly handle when the error has been returned in visorchipset. 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.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/staging/unisys/visorbus/visorchipset.c b/drivers/staging/unisys/visorbus/visorchipset.c
index d617ba1445ab..d7ddf55f97c1 100644
--- a/drivers/staging/unisys/visorbus/visorchipset.c
+++ b/drivers/staging/unisys/visorbus/visorchipset.c
@@ -656,11 +656,17 @@ bus_create(struct controlvm_message *inmsg)
bus_info->visorchannel = visorchannel;
/* Response will be handled by chipset_bus_create */
- chipset_bus_create(bus_info);
+ err = chipset_bus_create(bus_info);
+ /* If error chipset_bus_create didn't respond, need to respond here */
+ if (err)
+ goto err_destroy_channel;
POSTCODE_LINUX(BUS_CREATE_EXIT_PC, 0, bus_no, DIAG_SEVERITY_PRINT);
return 0;
+err_destroy_channel:
+ visorchannel_destroy(visorchannel);
+
err_free_pending_msg:
kfree(bus_info->pending_msg_hdr);