X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fparisc%2Fkernel%2Fptrace.c;fp=arch%2Fparisc%2Fkernel%2Fptrace.c;h=52de7f0d97cdf5194443314ff8c5d3d6ba7ad466;hb=f7f1b0f1e2fbadeab12d24236000e778aa9b1ead;hp=0b8debf435423a6ac0025d7e4b7509b628f3f152;hpb=e3f6fb6212a7102bdb56ba38fa1e98fe72950475;p=linux-2.6.git

diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index 0b8debf43..52de7f0d9 100644
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -17,6 +17,7 @@
 #include <linux/personality.h>
 #include <linux/security.h>
 #include <linux/compat.h>
+#include <linux/signal.h>
 
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
@@ -288,7 +289,7 @@ long sys_ptrace(long request, pid_t pid, long addr, long data)
 		ret = -EIO;
 		DBG("sys_ptrace(%s)\n",
 			request == PTRACE_SYSCALL ? "SYSCALL" : "CONT");
-		if ((unsigned long) data > _NSIG)
+		if (!valid_signal(data))
 			goto out_tsk;
 		child->ptrace &= ~(PT_SINGLESTEP|PT_BLOCKSTEP);
 		if (request == PTRACE_SYSCALL) {
@@ -314,7 +315,7 @@ long sys_ptrace(long request, pid_t pid, long addr, long data)
 	case PTRACE_SINGLEBLOCK:
 		DBG("sys_ptrace(SINGLEBLOCK)\n");
 		ret = -EIO;
-		if ((unsigned long) data > _NSIG)
+		if (!valid_signal(data))
 			goto out_tsk;
 		clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
 		child->ptrace &= ~PT_SINGLESTEP;
@@ -331,7 +332,7 @@ long sys_ptrace(long request, pid_t pid, long addr, long data)
 	case PTRACE_SINGLESTEP:
 		DBG("sys_ptrace(SINGLESTEP)\n");
 		ret = -EIO;
-		if ((unsigned long) data > _NSIG)
+		if (!valid_signal(data))
 			goto out_tsk;
 
 		clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);