[PATCH 1/3] Staging: hv: Remove checks for NULL before calling kfree()
Bill Pemberton
wfp5p at virginia.edu
Mon May 3 21:50:43 UTC 2010
kfree() knows how to deal with NULL, so there's no reason to check for
NULL before passing something to it.
Signed-off-by: Bill Pemberton <wfp5p at virginia.edu>
---
drivers/staging/hv/ChannelMgmt.c | 6 ++----
drivers/staging/hv/Hv.c | 10 +++++-----
2 files changed, 7 insertions(+), 9 deletions(-)
diff --git a/drivers/staging/hv/ChannelMgmt.c b/drivers/staging/hv/ChannelMgmt.c
index 43f28f2..8d5f305 100644
--- a/drivers/staging/hv/ChannelMgmt.c
+++ b/drivers/staging/hv/ChannelMgmt.c
@@ -642,10 +642,8 @@ int VmbusChannelRequestOffers(void)
Cleanup:
- if (msgInfo) {
- kfree(msgInfo->WaitEvent);
- kfree(msgInfo);
- }
+ kfree(msgInfo->WaitEvent);
+ kfree(msgInfo);
DPRINT_EXIT(VMBUS);
return ret;
diff --git a/drivers/staging/hv/Hv.c b/drivers/staging/hv/Hv.c
index 62debf8..2e2222d 100644
--- a/drivers/staging/hv/Hv.c
+++ b/drivers/staging/hv/Hv.c
@@ -305,11 +305,11 @@ void HvCleanup(void)
DPRINT_ENTER(VMBUS);
- if (gHvContext.SignalEventBuffer) {
- kfree(gHvContext.SignalEventBuffer);
- gHvContext.SignalEventBuffer = NULL;
- gHvContext.SignalEventParam = NULL;
- }
+
+ kfree(gHvContext.SignalEventBuffer);
+ gHvContext.SignalEventBuffer = NULL;
+ gHvContext.SignalEventParam = NULL;
+
if (gHvContext.HypercallPage) {
hypercallMsr.AsUINT64 = 0;
--
1.7.1
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