Commit 5a7dd2bc authored by WangYuli's avatar WangYuli Committed by Wentao Guan
Browse files

MIPS: ftrace: Declare ftrace_get_parent_ra_addr() as static 

stable inclusion
from stable-v6.6.78
commit 96c40135d8a8e226fbedf4f6f86b8b2c3c785242
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/IBX1M5

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=96c40135d8a8e226fbedf4f6f86b8b2c3c785242



--------------------------------

commit ddd068d81445b17ac0bed084dfeb9e58b4df3ddd upstream.

Declare ftrace_get_parent_ra_addr() as static to suppress clang
compiler warning that 'no previous prototype'. This function is
not intended to be called from other parts.

Fix follow error with clang-19:

arch/mips/kernel/ftrace.c:251:15: error: no previous prototype for function 'ftrace_get_parent_ra_addr' [-Werror,-Wmissing-prototypes]
  251 | unsigned long ftrace_get_parent_ra_addr(unsigned long self_ra, unsigned long
      |               ^
arch/mips/kernel/ftrace.c:251:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
  251 | unsigned long ftrace_get_parent_ra_addr(unsigned long self_ra, unsigned long
      | ^
      | static
1 error generated.

Signed-off-by: default avatarWangYuli <wangyuli@uniontech.com>
Acked-by: default avatarMasami Hiramatsu (Google) <mhiramat@kernel.org>
Reviewed-by: default avatarPhilippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: default avatarThomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 96c40135d8a8e226fbedf4f6f86b8b2c3c785242)
Signed-off-by: default avatarWentao Guan <guanwentao@uniontech.com>
parent 028783ba

arch/mips/kernel/ftrace.c

+1 −1
Original line number Diff line number Diff line
@@ -248,7 +248,7 @@ int ftrace_disable_ftrace_graph_caller(void) 
#define S_R_SP	(0xafb0 << 16)	/* s{d,w} R, offset(sp) */

#define OFFSET_MASK	0xffff	/* stack offset range: 0 ~ PT_SIZE */



unsigned long ftrace_get_parent_ra_addr(unsigned long self_ra, unsigned long

static unsigned long ftrace_get_parent_ra_addr(unsigned long self_ra, unsigned long

		old_parent_ra, unsigned long parent_ra_addr, unsigned long fp)

{

	unsigned long sp, ip, tmp;