From: Tzachi Dar <tzachid@mellanox.co.il>
Date: Tue, 28 Sep 2010 17:26:21 +0000 (+0000)
Subject: [core] Replace memory allocator with a memory allocator	that works natively with... 
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=dc8ac4b612d1fca70e67f1ff0a468bd91e7865cd;p=~shefty%2Frdma-win.git

[core] Replace memory allocator with a memory allocator	that works natively with 0 bytes allocations

git-svn-id: svn://openib.tc.cornell.edu/gen1@2949 ad392aa1-c5ef-ae45-8dd8-e69d62a5ef86
---

diff --git a/trunk/core/complib/kernel/cl_memory_osd.c b/trunk/core/complib/kernel/cl_memory_osd.c
index 6205a5a6..e5ea70d4 100644
--- a/trunk/core/complib/kernel/cl_memory_osd.c
+++ b/trunk/core/complib/kernel/cl_memory_osd.c
@@ -38,6 +38,10 @@ __cl_malloc_priv(
 	IN	const size_t	size,
 	IN	const boolean_t	pageable )
 {
+	CL_ASSERT(size != 0);
+	if (size ==0) {
+		return NULL;
+	}
 	if( pageable )
 	{
 		CL_ASSERT( KeGetCurrentIrql() < DISPATCH_LEVEL );
diff --git a/trunk/hw/mthca/kernel/mt_memory.h b/trunk/hw/mthca/kernel/mt_memory.h
index fdfcbea7..be94f85c 100644
--- a/trunk/hw/mthca/kernel/mt_memory.h
+++ b/trunk/hw/mthca/kernel/mt_memory.h
@@ -50,6 +50,10 @@ static inline void * kmalloc( SIZE_T bsize, unsigned int gfp_mask)
 {
 	void *ptr;
 	MT_ASSERT( KeGetCurrentIrql() <= DISPATCH_LEVEL );
+	MT_ASSERT(bsize);
+	if(bsize == 0) {
+		return NULL;
+	}
 	switch (gfp_mask) {
 		case GFP_ATOMIC:
 			ptr = ExAllocatePoolWithTag( NonPagedPool, bsize, MT_TAG_ATOMIC );