[PATCH] arm: end_of_stack()

55205823 · Al Viro <[email protected]> · 2006-01-12 01:05:57 -08:00

Signed-off-by: Al Viro <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

Changes

2 files changed · +2 −2

File	Status	Add	Del	Content
arch/arm/kernel/process.c	modified	+1	−1	View file
arch/arm/kernel/traps.c	modified	+1	−1	View file

diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 91d107d..ac6ed95 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -459,7 +459,7 @@ unsigned long get_wchan(struct task_struct *p)
 	if (!p || p == current || p->state == TASK_RUNNING)
 		return 0;
 
-	stack_start = (unsigned long)(p->thread_info + 1);
+	stack_start = (unsigned long)end_of_stack(p);
 	stack_end = ((unsigned long)p->thread_info) + THREAD_SIZE;
 
 	fp = thread_saved_fp(p);

diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index c9fe6f5..c1a04ec 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -164,7 +164,7 @@ static void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk)
 	} else if (verify_stack(fp)) {
 		printk("invalid frame pointer 0x%08x", fp);
 		ok = 0;
-	} else if (fp < (unsigned long)(tsk->thread_info + 1))
+	} else if (fp < (unsigned long)end_of_stack(tsk))
 		printk("frame pointer underflow");
 	printk("\n");
 