ptrace: cleanup arch_ptrace() on tile

Remove checking @addr less than 0 because @addr is now unsigned.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/tile/kernel/ptrace.c b/arch/tile/kernel/ptrace.c
index f634729..9cd2988 100644 (file)
--- a/arch/tile/kernel/ptrace.c
+++ b/arch/tile/kernel/ptrace.c
@@ -58,7 +58,7 @@ long arch_ptrace(struct task_struct *child, long request,
        switch (request) {
 
        case PTRACE_PEEKUSR:  /* Read register from pt_regs. */
-               if (addr < 0 || addr >= PTREGS_SIZE)
+               if (addr >= PTREGS_SIZE)
                        break;
                childreg = (char *)task_pt_regs(child) + addr;
 #ifdef CONFIG_COMPAT
@@ -77,7 +77,7 @@ long arch_ptrace(struct task_struct *child, long request,
                break;
 
        case PTRACE_POKEUSR:  /* Write register in pt_regs. */
-               if (addr < 0 || addr >= PTREGS_SIZE)
+               if (addr >= PTREGS_SIZE)
                        break;
                childreg = (char *)task_pt_regs(child) + addr;
 #ifdef CONFIG_COMPAT