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MIPS: ftrace: Declare ftrace_get_parent_ra_addr() as static

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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: WangYuli <[email protected]>
Acked-by: Masami Hiramatsu (Google) <[email protected]>
Reviewed-by: Philippe Mathieu-Daudé <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
WangYuli 2025-01-04 22:47:08 +08:00 • committed by Greg Kroah-Hartman
commit 16e8693eb2
1 changed files with 1 additions and 1 deletions
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2
arch/mips/kernel/ftrace.c
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@ -264,7 +264,7 @@ 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;