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Fix wrong return value check of mmap function

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The mmap function never returns NULL. If an error occurs, the function returns MAP_FAILED.

CLA: trivial

Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/12187)
This commit is contained in:
Tristan Bauer 2020-06-18 11:45:24 +02:00 committed by Pauli
parent 3fd16304f4
commit 1d78129dd2
1 changed files with 1 additions and 1 deletions
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2
crypto/mem_sec.c
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@ -514,7 +514,7 @@ static void sh_done(void)
OPENSSL_free(sh.freelist);
OPENSSL_free(sh.bittable);
OPENSSL_free(sh.bitmalloc);
if (sh.map_result != NULL && sh.map_size)
if (sh.map_result != MAP_FAILED && sh.map_size)
munmap(sh.map_result, sh.map_size);
memset(&sh, 0, sizeof(sh));
}