ptrace: cleanup arch_ptrace() on microblaze

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

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Cc: Michal Simek <monstr@monstr.eu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/microblaze/kernel/ptrace.c b/arch/microblaze/kernel/ptrace.c
index 3544bc1..05ac8cc 100644 (file)
--- a/arch/microblaze/kernel/ptrace.c
+++ b/arch/microblaze/kernel/ptrace.c
@@ -100,7 +100,7 @@ long arch_ptrace(struct task_struct *child, long request,
                        } else {
                                rval = -EIO;
                        }
-               } else if (addr >= 0 && addr < PT_SIZE && (addr & 0x3) == 0) {
+               } else if (addr < PT_SIZE && (addr & 0x3) == 0) {
                        microblaze_reg_t *reg_addr = reg_save_addr(addr, child);
                        if (request == PTRACE_PEEKUSR)
                                val = *reg_addr;