[Xen-devel] [PATCH 2/4] loadpolicy.c: Fix return handling for case of mmap failure

[Don Slutz <dslutz@xxxxxxxxxxx>]

mmap() returns MAP_FAILED not NULL.

Signed-off-by: Don Slutz <dslutz@xxxxxxxxxxx>
---
 tools/flask/utils/loadpolicy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/flask/utils/loadpolicy.c b/tools/flask/utils/loadpolicy.c
index 2edcf97..47b5139 100644
--- a/tools/flask/utils/loadpolicy.c
+++ b/tools/flask/utils/loadpolicy.c
@@ -61,7 +61,7 @@ int main (int argCnt, const char *args[])
 
 #ifdef USE_MMAP
     polMem = mmap(NULL, info.st_size, PROT_READ, MAP_SHARED, polFd, 0);
-    if ( !polMem )
+    if ( polMem == MAP_FAILED )
     {
         fprintf(stderr, "Error occurred mapping policy file in memory: %s\n",
                 strerror(errno));
-- 
1.8.4


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