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author | Fam Zheng <famz@redhat.com> | 2016-07-12 14:48:33 +0800 |
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committer | Michael Roth <mdroth@linux.vnet.ibm.com> | 2016-08-05 16:03:16 -0500 |
commit | b6ece2c6f37926a994bc564a9e55ef3be6016d8f (patch) | |
tree | 64c3c8c2f8aa33217140b41777416a9d852a13db | |
parent | 8d7d7764d59845b64c0dbffec33e186abfa89d83 (diff) | |
download | qemu-b6ece2c6f37926a994bc564a9e55ef3be6016d8f.tar.gz |
util: Fix MIN_NON_ZERO
MIN_NON_ZERO(1, 0) is evaluated to 0. Rewrite the macro to fix it.
Reported-by: Miroslav Rezanina <mrezanin@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <1468306113-847-1-git-send-email-famz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit d27ba624aa1dfe5c07cc01200d95967ffce905d9)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
-rw-r--r-- | include/qemu/osdep.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h index 783270f132..94a16034ed 100644 --- a/include/qemu/osdep.h +++ b/include/qemu/osdep.h @@ -149,7 +149,8 @@ extern int daemon(int, int); /* Minimum function that returns zero only iff both values are zero. * Intended for use with unsigned values only. */ #ifndef MIN_NON_ZERO -#define MIN_NON_ZERO(a, b) (((a) != 0 && (a) < (b)) ? (a) : (b)) +#define MIN_NON_ZERO(a, b) ((a) == 0 ? (b) : \ + ((b) == 0 ? (a) : (MIN(a, b)))) #endif /* Round number down to multiple */ |