[PATCH] commands: mm: don't ignore pread() errors for larger access sizes

[Ahmad Fatoum <a.fatoum@pengutronix.de>]

Error check was before pread was called and because ret was initialized,
compiler didn't warn about it. Fix this.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
---
 commands/mm.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/commands/mm.c b/commands/mm.c
index 9ce883964485..8fe87a80a18e 100644
--- a/commands/mm.c
+++ b/commands/mm.c
@@ -16,7 +16,7 @@
 
 static int do_mem_mm(int argc, char *argv[])
 {
-	int ret = 0;
+	int ret;
 	int fd;
 	char *filename = "/dev/mem";
 	int mode = O_RWSIZE_4;
@@ -65,9 +65,9 @@ static int do_mem_mm(int argc, char *argv[])
 			goto out_write;
 		break;
 	case O_RWSIZE_4:
+		ret = pread(fd, &val32, 4, adr);
 		if (ret < 0)
 			goto out_read;
-		ret = pread(fd, &val32, 4, adr);
 		val32 &= ~mask;
 		val32 |= (value & mask);
 		ret = pwrite(fd, &val32, 4, adr);
@@ -75,9 +75,9 @@ static int do_mem_mm(int argc, char *argv[])
 			goto out_write;
 		break;
 	case O_RWSIZE_8:
+		ret = pread(fd, &val64, 8, adr);
 		if (ret < 0)
 			goto out_read;
-		ret = pread(fd, &val64, 8, adr);
 		val64 &= ~mask;
 		val64 |= (value & mask);
 		ret = pwrite(fd, &val64, 8, adr);
-- 
2.30.2