Feb 15 2016

staging: rdma: hfi1: Replace kmalloc and memcpy with kmemdup 

Author: Amitoj Kaur Chawla <amitoj1606@gmail.com>

Replace kmalloc and memcpy with kmemdup. Found using Coccinelle.

The semantic patch used to make this change can be found here:
scripts/coccinelle/api/memdup.cocci

Signed-off-by: Amitoj Kaur Chawla 
Signed-off-by: Greg Kroah-Hartman 

---
 drivers/staging/rdma/hfi1/efivar.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
 
diff --git a/drivers/staging/rdma/hfi1/efivar.c b/drivers/staging/rdma/hfi1/efivar.c
index e569f9f..47dfe25 100644
--- a/drivers/staging/rdma/hfi1/efivar.c
+++ b/drivers/staging/rdma/hfi1/efivar.c
@@ -127,13 +127,12 @@ static int read_efi_var(const char *name, unsigned long *size,
 	 * temporary buffer.  Now allocate a correctly sized
 	 * buffer.
 	 */
-	data = kmalloc(temp_size, GFP_KERNEL);
+	data = kmemdup(temp_buffer, temp_size, GFP_KERNEL);
 	if (!data) {
 		ret = -ENOMEM;
 		goto fail;
 	}
 
-	memcpy(data, temp_buffer, temp_size);
 	*size = temp_size;
 	*return_data = data;

qlambert