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Subject[PATCH] kgdb: clear compilation warning
Date
In the function kgdb_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@trbecker.org>
---
arch/x86/kernel/kgdb.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c
index 8bfb614..0ea80ef 100644
--- a/arch/x86/kernel/kgdb.c
+++ b/arch/x86/kernel/kgdb.c
@@ -746,7 +746,9 @@ void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long ip)
int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt)
{
int err;
+#ifdef CONFIG_DEBUG_RODATA
char opc[BREAK_INSTR_SIZE];
+#endif

bpt->type = BP_BREAKPOINT;
err = probe_kernel_read(bpt->saved_instr, (char *)bpt->bpt_addr,
--
1.7.10.1


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