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s390/traps: only define is_valid_bugaddr() under CONFIG_GENERIC_BUG
When building with -Wmissing-prototypes without CONFIG_GENERIC_BUG, there is a warning about a missing prototype for is_valid_bugaddr(): arch/s390/kernel/traps.c:46:5: warning: no previous prototype for 'is_valid_bugaddr' [-Wmissing-prototypes] 46 | int is_valid_bugaddr(unsigned long addr) | ^~~~~~~~~~~~~~~~ The prototype is only declared with CONFIG_GENERIC_BUG, so only define the function under the same condition to clear up the warning, which matches other architectures. Link: https://lkml.kernel.org/r/20231130-s390-missing-prototypes-v1-2-799d3cf07fb7@kernel.org Signed-off-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com> Cc: Christian Borntraeger <borntraeger@linux.ibm.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Jan Höppner <hoeppner@linux.ibm.com> Cc: Stefan Haberland <sth@linux.ibm.com> Cc: Sven Schnelle <svens@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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@ -43,10 +43,12 @@ static inline void __user *get_trap_ip(struct pt_regs *regs)
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return (void __user *) (address - (regs->int_code >> 16));
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}
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#ifdef CONFIG_GENERIC_BUG
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int is_valid_bugaddr(unsigned long addr)
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{
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return 1;
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}
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#endif
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void do_report_trap(struct pt_regs *regs, int si_signo, int si_code, char *str)
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{
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