USB: Realtek cr: Use kmemdup rather than duplicating its implementation
Author: Thomas Meyer <thomas@m3y3r.de>
Use kmemdup rather than duplicating its implementation
The semantic patch that makes this change is available
in scripts/coccinelle/api/memdup.cocci.
Signed-off-by: Thomas Meyer
Signed-off-by: Greg Kroah-Hartman
---
drivers/usb/storage/realtek_cr.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/usb/storage/realtek_cr.c b/drivers/usb/storage/realtek_cr.c
index 30f64bf..7114767 100644
--- a/drivers/usb/storage/realtek_cr.c
+++ b/drivers/usb/storage/realtek_cr.c
@@ -398,10 +398,9 @@ static int rts51x_write_mem(struct us_data *us, u16 addr, u8 *data, u16 len)
u8 cmnd[12] = { 0 };
u8 *buf;
- buf = kmalloc(len, GFP_NOIO);
+ buf = kmemdup(data, len, GFP_NOIO);
if (buf == NULL)
return USB_STOR_TRANSPORT_ERROR;
- memcpy(buf, data, len);
US_DEBUGP("%s, addr = 0x%x, len = %d\n", __func__, addr, len); |
---
drivers/usb/storage/realtek_cr.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/usb/storage/realtek_cr.c b/drivers/usb/storage/realtek_cr.c
index 30f64bf..7114767 100644
--- a/drivers/usb/storage/realtek_cr.c
+++ b/drivers/usb/storage/realtek_cr.c
@@ -398,10 +398,9 @@ static int rts51x_write_mem(struct us_data *us, u16 addr, u8 *data, u16 len)
u8 cmnd[12] = { 0 };
u8 *buf;
- buf = kmalloc(len, GFP_NOIO);
+ buf = kmemdup(data, len, GFP_NOIO);
if (buf == NULL)
return USB_STOR_TRANSPORT_ERROR;
- memcpy(buf, data, len);
US_DEBUGP("%s, addr = 0x%x, len = %d\n", __func__, addr, len);