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authorHelge Deller <deller@gmx.de>2023-07-03 18:23:39 +0200
committerHelge Deller <deller@gmx.de>2023-07-03 18:56:03 +0200
commit6414b30b39f9d21fcd485aab6e20b7c65f4013d8 (patch)
treea3129f50017c5891ee4dee4a84870b70bd6cc229 /arch/parisc
parent147e17e297563bce7c3acc82b41e24463d9d6a64 (diff)
parisc: unwind: Avoid missing prototype warning for handle_interruption()
Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'arch/parisc')
-rw-r--r--arch/parisc/include/asm/processor.h1
-rw-r--r--arch/parisc/kernel/unwind.c5
2 files changed, 4 insertions, 2 deletions
diff --git a/arch/parisc/include/asm/processor.h b/arch/parisc/include/asm/processor.h
index a2c877662c62..e132b2819fc9 100644
--- a/arch/parisc/include/asm/processor.h
+++ b/arch/parisc/include/asm/processor.h
@@ -296,6 +296,7 @@ extern void do_cpu_irq_mask(struct pt_regs *);
extern irqreturn_t timer_interrupt(int, void *);
extern irqreturn_t ipi_interrupt(int, void *);
extern void start_cpu_itimer(void);
+extern void handle_interruption(int, struct pt_regs *);
/* called from assembly code: */
extern void start_parisc(void);
diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c
index 043184ce3843..27ae40a443b8 100644
--- a/arch/parisc/kernel/unwind.c
+++ b/arch/parisc/kernel/unwind.c
@@ -221,7 +221,6 @@ static int unwind_special(struct unwind_frame_info *info, unsigned long pc, int
* Note: We could use dereference_kernel_function_descriptor()
* instead but we want to keep it simple here.
*/
- extern void * const handle_interruption;
extern void * const ret_from_kernel_thread;
extern void * const syscall_exit;
extern void * const intr_return;
@@ -229,8 +228,10 @@ static int unwind_special(struct unwind_frame_info *info, unsigned long pc, int
#ifdef CONFIG_IRQSTACKS
extern void * const _call_on_stack;
#endif /* CONFIG_IRQSTACKS */
+ void *ptr;
- if (pc_is_kernel_fn(pc, handle_interruption)) {
+ ptr = dereference_kernel_function_descriptor(&handle_interruption);
+ if (pc_is_kernel_fn(pc, ptr)) {
struct pt_regs *regs = (struct pt_regs *)(info->sp - frame_size - PT_SZ_ALGN);
dbg("Unwinding through handle_interruption()\n");
info->prev_sp = regs->gr[30];