In the function kgbd_arch_set_breakpoint, the variable is only used if DEBUG_RODATA is configured. This clears the following compilation warning: arch/x86/kernel/kgdb.c:749:7: warning: unused variable 'opc' Signed-off-by: Thiago Rafael Becker <trbecker@xxxxxxxxxxxx> --- arch/x86/kernel/kgdb.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c index 8bfb614..7c54c78 100644 --- a/arch/x86/kernel/kgdb.c +++ b/arch/x86/kernel/kgdb.c @@ -746,7 +746,6 @@ void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long ip) int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt) { int err; - char opc[BREAK_INSTR_SIZE]; bpt->type = BP_BREAKPOINT; err = probe_kernel_read(bpt->saved_instr, (char *)bpt->bpt_addr, @@ -756,6 +755,8 @@ int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt) err = probe_kernel_write((char *)bpt->bpt_addr, arch_kgdb_ops.gdb_bpt_instr, BREAK_INSTR_SIZE); #ifdef CONFIG_DEBUG_RODATA + char opc[BREAK_INSTR_SIZE]; + if (!err) return err; /* -- 1.7.10.1 -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html