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authorMathieu Trudel-Lapierre <mathieu.trudel-lapierre@canonical.com>2016-09-21 20:29:42 -0400
committerMathieu Trudel-Lapierre <mathieu.trudel-lapierre@canonical.com>2016-09-21 20:29:42 -0400
commit62f0afa2ecead02b1258dabab8097ca278a22f8f (patch)
tree56132d617fff7c4f05e67024ec872d88fcafa92d /Cryptlib/SysCall/BaseMemAllocation.c
parentd3819813b8e0a64400ddf3ce033bae7c3f245508 (diff)
downloadefi-boot-shim-62f0afa2ecead02b1258dabab8097ca278a22f8f.tar.gz
efi-boot-shim-62f0afa2ecead02b1258dabab8097ca278a22f8f.zip
Import upstream version 0.9+1474479173.6c180c6
Diffstat (limited to 'Cryptlib/SysCall/BaseMemAllocation.c')
-rw-r--r--Cryptlib/SysCall/BaseMemAllocation.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/Cryptlib/SysCall/BaseMemAllocation.c b/Cryptlib/SysCall/BaseMemAllocation.c
index 75da1dd2..792b29e8 100644
--- a/Cryptlib/SysCall/BaseMemAllocation.c
+++ b/Cryptlib/SysCall/BaseMemAllocation.c
@@ -38,5 +38,11 @@ void *realloc (void *ptr, size_t size)
/* De-allocates or frees a memory block */
void free (void *ptr)
{
- FreePool (ptr);
+ //
+ // In Standard C, free() handles a null pointer argument transparently. This
+ // is not true of FreePool() below, so protect it.
+ //
+ if (ptr != NULL) {
+ FreePool (ptr);
+ }
}