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staging: unisys: visorbus: chipset_init add error handling 

Controlvm_respond_chipset_init now errors out correctly. Pass the errors
back up to the stack to be processed.

Signed-off-by: David Kershner <david.kershner@unisys.com>
Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
David Kershner 2016-11-21 12:15:45 -05:00 committed by Greg Kroah-Hartman
parent 1d7f552203
commit 79c3f971d9
1 changed files with 6 additions and 2 deletions
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8
drivers/staging/unisys/visorbus/visorchipset.c
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@ -511,16 +511,18 @@ controlvm_respond_chipset_init(struct controlvm_message_header *msg_hdr,
CONTROLVM_QUEUE_REQUEST, &outmsg);
}
static void
static int
chipset_init(struct controlvm_message *inmsg)
{
static int chipset_inited;
enum ultra_chipset_feature features = 0;
int rc = CONTROLVM_RESP_SUCCESS;
int res = 0;
POSTCODE_LINUX_2(CHIPSET_INIT_ENTRY_PC, POSTCODE_SEVERITY_INFO);
if (chipset_inited) {
rc = -CONTROLVM_RESP_ERROR_ALREADY_DONE;
res = -EIO;
goto out_respond;
}
chipset_inited = 1;
@ -541,7 +543,9 @@ chipset_init(struct controlvm_message *inmsg)
out_respond:
if (inmsg->hdr.flags.response_expected)
controlvm_respond_chipset_init(&inmsg->hdr, rc, features);
res = controlvm_respond_chipset_init(&inmsg->hdr, rc, features);
return res;
}
static void