From: Markus Elfring <elfr...@users.sourceforge.net>
Date: Sun, 21 Aug 2016 08:04:48 +0200

Replace the specification of data structures by references for variables
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer according to the Linux coding style convention.

Signed-off-by: Markus Elfring <elfr...@users.sourceforge.net>
---
 drivers/scsi/aacraid/commctrl.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c
index cda03f0..d2029db 100644
--- a/drivers/scsi/aacraid/commctrl.c
+++ b/drivers/scsi/aacraid/commctrl.c
@@ -177,7 +177,7 @@ static int open_getadapter_fib(struct aac_dev * dev, void 
__user *arg)
        struct aac_fib_context * fibctx;
        int status;
 
-       fibctx = kmalloc(sizeof(struct aac_fib_context), GFP_KERNEL);
+       fibctx = kmalloc(sizeof(*fibctx), GFP_KERNEL);
        if (fibctx == NULL) {
                status = -ENOMEM;
        } else {
@@ -186,7 +186,7 @@ static int open_getadapter_fib(struct aac_dev * dev, void 
__user *arg)
                struct aac_fib_context * context;
 
                fibctx->type = FSAFS_NTC_GET_ADAPTER_FIB_CONTEXT;
-               fibctx->size = sizeof(struct aac_fib_context);
+               fibctx->size = sizeof(*fibctx);
                /*
                 *      Yes yes, I know this could be an index, but we have a
                 * better guarantee of uniqueness for the locked loop below.
@@ -251,7 +251,7 @@ static int next_getadapter_fib(struct aac_dev * dev, void 
__user *arg)
        struct list_head * entry;
        unsigned long flags;
 
-       if (copy_from_user((void *)&f, arg, sizeof(struct fib_ioctl)))
+       if (copy_from_user(&f, arg, sizeof(f)))
                return -EFAULT;
        /*
         *      Verify that the HANDLE passed in was a valid AdapterFibContext
@@ -509,7 +509,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void 
__user * arg)
        srbcmd = (struct aac_srb*) fib_data(srbfib);
 
        memset(sg_list, 0, sizeof(sg_list)); /* cleanup may take issue */
-       if (copy_from_user(&fibsize, &user_srb->count, sizeof(u32))) {
+       if (copy_from_user(&fibsize, &user_srb->count, sizeof(fibsize))) {
                dprintk((KERN_DEBUG"aacraid: Could not copy data size from 
user\n"));
                rcode = -EFAULT;
                goto free_sg_list;
-- 
2.9.3

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