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net/inetdevice: bad_mask can be boolean 

This patch makes bad_mask return bool due to this particular function
only using either one or zero as its return value.

No functional change.

Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yaowei Bai 2015-10-08 21:29:01 +08:00 committed by David S. Miller
parent c3225164cf
commit f06cc7b284
1 changed files with 4 additions and 4 deletions
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8
include/linux/inetdevice.h
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@ -180,15 +180,15 @@ static __inline__ bool inet_ifa_match(__be32 addr, struct in_ifaddr *ifa)
* Check if a mask is acceptable. * Check if a mask is acceptable.
*/ */
static __inline__ int bad_mask(__be32 mask, __be32 addr) static __inline__ bool bad_mask(__be32 mask, __be32 addr)
{ {
__u32 hmask; __u32 hmask;
if (addr & (mask = ~mask)) if (addr & (mask = ~mask))
return 1; return true;
hmask = ntohl(mask); hmask = ntohl(mask);
if (hmask & (hmask+1)) if (hmask & (hmask+1))
return 1; return true;
return 0; return false;
} }
#define for_primary_ifa(in_dev) { struct in_ifaddr *ifa; \ #define for_primary_ifa(in_dev) { struct in_ifaddr *ifa; \