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kgdb,x86: fix warning about unused variable 

When compiling without CONFIG_DEBUG_RODATA the following
compiler warning is generated:

arch/x86/kernel/kgdb.c: In function 'kgdb_arch_set_breakpoint':
arch/x86/kernel/kgdb.c:749: warning: unused variable 'opc'

The variable instantiation needs to be inside the #ifdef to
make the warning go away.

Reported-by: Thiago Rafael Becker <trbecker@trbecker.org>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
This commit is contained in:
Jason Wessel 2012-08-08 21:12:19 -05:00
parent f0a996eeed
commit 42c1221314
1 changed files with 2 additions and 0 deletions
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2
arch/x86/kernel/kgdb.c
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@ -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 /* CONFIG_DEBUG_RODATA */
bpt->type = BP_BREAKPOINT;
err = probe_kernel_read(bpt->saved_instr, (char *)bpt->bpt_addr,