From: Markus Elfring <elfr...@users.sourceforge.net>
Date: Thu, 27 Oct 2016 18:18:54 +0200

Check the return value from a call of the function "mmap" by using
the preprocessor symbol "MAP_FAILED".

Signed-off-by: Markus Elfring <elfr...@users.sourceforge.net>
---
 scripts/basic/fixdep.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index c9ce3e3..0dcec29 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -417,7 +417,7 @@ static void print_deps(void)
                goto close_fd;
        }
        map = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
-       if ((long) map == -1) {
+       if (map == MAP_FAILED) {
                perror("fixdep: mmap");
                goto close_fd;
        }
-- 
2.10.1

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