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The cmpxchg macros and functions are a bit different than on other architectures. In particular the macros do not store the return value of a __cmpxchg function call in a variable before returning the value. This causes compile warnings that only occur on s390 like this one: net/ipv4/af_inet.c: In function 'build_ehash_secret': net/ipv4/af_inet.c:241:2: warning: value computed is not used [-Wunused-value] To get rid of these warnings use the same construct that we already use for the xchg macro, which was introduced for the same reason. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> |
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