hw/sd/sdcard: Simplify realize() a bit

We don't need to check if sd->blk is set twice.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20200630133912.9428-18-f4bug@amsat.org>
(cherry picked from commit 6dd3a164f5b31c703c7d8372841ad3bd6a57de6d)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index da39590f58296c0b8eaa401c7ada59a9d0857407..04258f18163a9bb751eb2087a62e56d5a7d07f9a 100644 (file)
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -2090,12 +2090,12 @@ static void sd_realize(DeviceState *dev, Error **errp)
         return;
     }
 
-    if (sd->blk && blk_is_read_only(sd->blk)) {
-        error_setg(errp, "Cannot use read-only drive as SD card");
-        return;
-    }
-
     if (sd->blk) {
+        if (blk_is_read_only(sd->blk)) {
+            error_setg(errp, "Cannot use read-only drive as SD card");
+            return;
+        }
+
         ret = blk_set_perm(sd->blk, BLK_PERM_CONSISTENT_READ | BLK_PERM_WRITE,
                            BLK_PERM_ALL, errp);
         if (ret < 0) {