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| author | Fam Zheng <famz@redhat.com> | 2016-07-12 14:48:33 +0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2016-07-13 12:55:11 +0200 |
| commit | d27ba624aa1dfe5c07cc01200d95967ffce905d9 (patch) | |
| tree | 5ea4f41fa49742e710757ffe8b0038cdb74b9b73 /include | |
| parent | 73f40c1895980dc705b6b0594ace6580b3f68537 (diff) | |
| download | qemu-d27ba624aa1dfe5c07cc01200d95967ffce905d9.zip | |
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>
Diffstat (limited to 'include')
| -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 e63da2831a..e4c6ae6b38 100644 --- a/include/qemu/osdep.h +++ b/include/qemu/osdep.h @@ -151,7 +151,8 @@ 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 */ |