* [PATCH] kgdb: clear compilation warning
@ 2012-05-12 19:02 Thiago Rafael Becker
0 siblings, 0 replies; only message in thread
From: Thiago Rafael Becker @ 2012-05-12 19:02 UTC (permalink / raw)
To: linux-kernel, kernel-janitors
Cc: Thiago Rafael Becker, tglx, mingo, hpa, x86, a.p.zijlstra,
jason.wessel, jan.kiszka, dhowells
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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2012-05-12 19:02 [PATCH] kgdb: clear compilation warning Thiago Rafael Becker
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