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[IPV4]: Fix inetpeer gcc-4.2 warnings 

CC      net/ipv4/inetpeer.o
net/ipv4/inetpeer.c: In function 'unlink_from_pool':
net/ipv4/inetpeer.c:297: warning: the address of 'stack' will always evaluate as 'true'
net/ipv4/inetpeer.c:297: warning: the address of 'stack' will always evaluate as 'true'
net/ipv4/inetpeer.c: In function 'inet_getpeer':
net/ipv4/inetpeer.c:409: warning: the address of 'stack' will always evaluate as 'true'
net/ipv4/inetpeer.c:409: warning: the address of 'stack' will always evaluate as 'true'

"Fix" by checking for != NULL.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2007-07-20 19:39:17 -07:00 committed by David S. Miller
parent c2e6805242
commit fc7b93800b
1 changed files with 2 additions and 2 deletions
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4
net/ipv4/inetpeer.c
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@ -158,7 +158,7 @@ static void unlink_from_unused(struct inet_peer *p)
#define lookup(_daddr,_stack) \ #define lookup(_daddr,_stack) \
({ \ ({ \
struct inet_peer *u, **v; \ struct inet_peer *u, **v; \
if (_stack) { \ if (_stack != NULL) { \
stackptr = _stack; \ stackptr = _stack; \
*stackptr++ = &peer_root; \ *stackptr++ = &peer_root; \
} \ } \
@ -169,7 +169,7 @@ static void unlink_from_unused(struct inet_peer *p)
v = &u->avl_left; \ v = &u->avl_left; \
else \ else \
v = &u->avl_right; \ v = &u->avl_right; \
if (_stack) \ if (_stack != NULL) \
*stackptr++ = v; \ *stackptr++ = v; \
u = *v; \ u = *v; \
} \ } \