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authorDavid Binder2017-02-01 23:38:56 +0100
committerGreg Kroah-Hartman2017-02-02 13:10:48 +0100
commit7289a8dd2b258d267e5405f656d7f27c82fba014 (patch)
tree1e4ddc947c3fae727900d86d750453d56f191ea4 /drivers/staging/unisys/visorbus/visorchipset.c
parentstaging: unisys: visorbus: Check controlvm message payload size (diff)
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staging: unisys: visorbus: Consolidate kobject functions
Simplifies kobject usage in visorchipset.c by combining pairs of functions that are better expressed combined. Signed-off-by: David Binder <david.binder@unisys.com> 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>
Diffstat (limited to 'drivers/staging/unisys/visorbus/visorchipset.c')
-rw-r--r--drivers/staging/unisys/visorbus/visorchipset.c76
1 files changed, 31 insertions, 45 deletions
diff --git a/drivers/staging/unisys/visorbus/visorchipset.c b/drivers/staging/unisys/visorbus/visorchipset.c
index df2dfeb14027..c90ea6a770ce 100644
--- a/drivers/staging/unisys/visorbus/visorchipset.c
+++ b/drivers/staging/unisys/visorbus/visorchipset.c
@@ -1435,22 +1435,33 @@ parahotplug_process_message(struct controlvm_message *inmsg)
}
}
-/**
- * visorchipset_chipset_ready() - sends chipset_ready action
+/*
+ * chipset_ready_uevent() - sends chipset_ready action
*
* Send ACTION=online for DEVPATH=/sys/devices/platform/visorchipset.
*
- * Return: CONTROLVM_RESP_SUCCESS
+ * Return: 0 on success, negative on failure
*/
static int
-visorchipset_chipset_ready(void)
+chipset_ready_uevent(struct controlvm_message_header *msg_hdr)
{
kobject_uevent(&visorchipset_platform_device.dev.kobj, KOBJ_ONLINE);
- return CONTROLVM_RESP_SUCCESS;
+
+ if (msg_hdr->flags.response_expected)
+ return controlvm_respond(msg_hdr, CONTROLVM_RESP_SUCCESS);
+
+ return 0;
}
+/*
+ * chipset_selftest_uevent() - sends chipset_selftest action
+ *
+ * Send ACTION=online for DEVPATH=/sys/devices/platform/visorchipset.
+ *
+ * Return: 0 on success, negative on failure
+ */
static int
-visorchipset_chipset_selftest(void)
+chipset_selftest_uevent(struct controlvm_message_header *msg_hdr)
{
char env_selftest[20];
char *envp[] = { env_selftest, NULL };
@@ -1458,54 +1469,29 @@ visorchipset_chipset_selftest(void)
sprintf(env_selftest, "SPARSP_SELFTEST=%d", 1);
kobject_uevent_env(&visorchipset_platform_device.dev.kobj, KOBJ_CHANGE,
envp);
- return CONTROLVM_RESP_SUCCESS;
+
+ if (msg_hdr->flags.response_expected)
+ return controlvm_respond(msg_hdr, CONTROLVM_RESP_SUCCESS);
+
+ return 0;
}
-/**
- * visorchipset_chipset_notready() - sends chipset_notready action
+/*
+ * chipset_notready_uevent() - sends chipset_notready action
*
* Send ACTION=offline for DEVPATH=/sys/devices/platform/visorchipset.
*
- * Return: CONTROLVM_RESP_SUCCESS
+ * Return: 0 on success, negative on failure
*/
static int
-visorchipset_chipset_notready(void)
+chipset_notready_uevent(struct controlvm_message_header *msg_hdr)
{
kobject_uevent(&visorchipset_platform_device.dev.kobj, KOBJ_OFFLINE);
- return CONTROLVM_RESP_SUCCESS;
-}
-
-static void
-chipset_ready(struct controlvm_message_header *msg_hdr)
-{
- int rc = visorchipset_chipset_ready();
-
- if (rc != CONTROLVM_RESP_SUCCESS)
- rc = -rc;
- if (msg_hdr->flags.response_expected)
- controlvm_respond(msg_hdr, rc);
-}
-static void
-chipset_selftest(struct controlvm_message_header *msg_hdr)
-{
- int rc = visorchipset_chipset_selftest();
-
- if (rc != CONTROLVM_RESP_SUCCESS)
- rc = -rc;
if (msg_hdr->flags.response_expected)
- controlvm_respond(msg_hdr, rc);
-}
+ return controlvm_respond(msg_hdr, CONTROLVM_RESP_SUCCESS);
-static void
-chipset_notready(struct controlvm_message_header *msg_hdr)
-{
- int rc = visorchipset_chipset_notready();
-
- if (rc != CONTROLVM_RESP_SUCCESS)
- rc = -rc;
- if (msg_hdr->flags.response_expected)
- controlvm_respond(msg_hdr, rc);
+ return 0;
}
static inline unsigned int
@@ -1967,13 +1953,13 @@ handle_command(struct controlvm_message inmsg, u64 channel_addr)
controlvm_respond(&inmsg.hdr, CONTROLVM_RESP_SUCCESS);
break;
case CONTROLVM_CHIPSET_READY:
- chipset_ready(&inmsg.hdr);
+ chipset_ready_uevent(&inmsg.hdr);
break;
case CONTROLVM_CHIPSET_SELFTEST:
- chipset_selftest(&inmsg.hdr);
+ chipset_selftest_uevent(&inmsg.hdr);
break;
case CONTROLVM_CHIPSET_STOP:
- chipset_notready(&inmsg.hdr);
+ chipset_notready_uevent(&inmsg.hdr);
break;
default:
if (inmsg.hdr.flags.response_expected)