rapidio: adjust five function calls together with a variable assignment
authorMarkus Elfring <elfring@users.sourceforge.net>
Tue, 6 Feb 2018 23:39:48 +0000 (15:39 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 7 Feb 2018 02:32:46 +0000 (18:32 -0800)
checkpatch pointed information out like the following.

  ERROR: do not use assignment in if condition

Thus fix the affected source code places.

Link: http://lkml.kernel.org/r/6f5631ed-ec3e-503d-850a-ab09b5736dbe@users.sourceforge.net
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Acked-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/rapidio/rio.c

index f89085564c2cb8cbf24a1243a1887e21095a7e4a..b9dc932ce19e039dc862085d84339dce2b587e39 100644 (file)
@@ -252,9 +252,9 @@ int rio_request_inb_mbox(struct rio_mport *mport,
                rio_init_mbox_res(res, mbox, mbox);
 
                /* Make sure this mailbox isn't in use */
-               if ((rc =
-                    request_resource(&mport->riores[RIO_INB_MBOX_RESOURCE],
-                                     res)) < 0) {
+               rc = request_resource(&mport->riores[RIO_INB_MBOX_RESOURCE],
+                                     res);
+               if (rc < 0) {
                        kfree(res);
                        goto out;
                }
@@ -335,9 +335,9 @@ int rio_request_outb_mbox(struct rio_mport *mport,
                rio_init_mbox_res(res, mbox, mbox);
 
                /* Make sure this outbound mailbox isn't in use */
-               if ((rc =
-                    request_resource(&mport->riores[RIO_OUTB_MBOX_RESOURCE],
-                                     res)) < 0) {
+               rc = request_resource(&mport->riores[RIO_OUTB_MBOX_RESOURCE],
+                                     res);
+               if (rc < 0) {
                        kfree(res);
                        goto out;
                }
@@ -406,9 +406,9 @@ rio_setup_inb_dbell(struct rio_mport *mport, void *dev_id, struct resource *res,
                                  u16 info))
 {
        int rc = 0;
-       struct rio_dbell *dbell;
+       struct rio_dbell *dbell = kmalloc(sizeof(*dbell), GFP_KERNEL);
 
-       if (!(dbell = kmalloc(sizeof(struct rio_dbell), GFP_KERNEL))) {
+       if (!dbell) {
                rc = -ENOMEM;
                goto out;
        }
@@ -452,9 +452,9 @@ int rio_request_inb_dbell(struct rio_mport *mport,
                rio_init_dbell_res(res, start, end);
 
                /* Make sure these doorbells aren't in use */
-               if ((rc =
-                    request_resource(&mport->riores[RIO_DOORBELL_RESOURCE],
-                                     res)) < 0) {
+               rc = request_resource(&mport->riores[RIO_DOORBELL_RESOURCE],
+                                     res);
+               if (rc < 0) {
                        kfree(res);
                        goto out;
                }
@@ -1411,7 +1411,9 @@ rio_mport_get_feature(struct rio_mport * port, int local, u16 destid,
                                                 ext_ftr_ptr, &ftr_header);
                if (RIO_GET_BLOCK_ID(ftr_header) == ftr)
                        return ext_ftr_ptr;
-               if (!(ext_ftr_ptr = RIO_GET_BLOCK_PTR(ftr_header)))
+
+               ext_ftr_ptr = RIO_GET_BLOCK_PTR(ftr_header);
+               if (!ext_ftr_ptr)
                        break;
        }