[PATCH v3 12/27] media: use kzalloc instead of kmalloc and memset

[Fuqian Huang]

Replace kmalloc followed by a memset with kzalloc.

Signed-off-by: Fuqian Huang <huangfq.dax...@gmail.com>
---
Changes in v3:
  - Resend

 drivers/media/usb/pvrusb2/pvrusb2-eeprom.c | 3 +--
 drivers/media/usb/pvrusb2/pvrusb2-hdw.c    | 3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/media/usb/pvrusb2/pvrusb2-eeprom.c 
b/drivers/media/usb/pvrusb2/pvrusb2-eeprom.c
index 79f0e0c6df37..fac90af8b537 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-eeprom.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-eeprom.c
@@ -39,7 +39,7 @@ static u8 *pvr2_eeprom_fetch(struct pvr2_hdw *hdw)
        int ret;
        int mode16 = 0;
        unsigned pcnt,tcnt;
-       eeprom = kmalloc(EEPROM_SIZE,GFP_KERNEL);
+       eeprom = kzalloc(EEPROM_SIZE,GFP_KERNEL);
        if (!eeprom) {
                pvr2_trace(PVR2_TRACE_ERROR_LEGS,
                           "Failed to allocate memory required to read eeprom");
@@ -74,7 +74,6 @@ static u8 *pvr2_eeprom_fetch(struct pvr2_hdw *hdw)
           (1) we're only fetching part of the eeprom, and (2) if we were
           getting the whole thing our I2C driver can't grab it in one
           pass - which is what tveeprom is otherwise going to attempt */
-       memset(eeprom,0,EEPROM_SIZE);
        for (tcnt = 0; tcnt < EEPROM_SIZE; tcnt += pcnt) {
                pcnt = 16;
                if (pcnt + tcnt > EEPROM_SIZE) pcnt = EEPROM_SIZE-tcnt;
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c 
b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
index 70b5cb08d65b..ff75b4a53dfa 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
@@ -3309,7 +3309,7 @@ static u8 *pvr2_full_eeprom_fetch(struct pvr2_hdw *hdw)
        int ret;
        int mode16 = 0;
        unsigned pcnt,tcnt;
-       eeprom = kmalloc(EEPROM_SIZE,GFP_KERNEL);
+       eeprom = kzalloc(EEPROM_SIZE,GFP_KERNEL);
        if (!eeprom) {
                pvr2_trace(PVR2_TRACE_ERROR_LEGS,
                           "Failed to allocate memory required to read eeprom");
@@ -3344,7 +3344,6 @@ static u8 *pvr2_full_eeprom_fetch(struct pvr2_hdw *hdw)
           (1) we're only fetching part of the eeprom, and (2) if we were
           getting the whole thing our I2C driver can't grab it in one
           pass - which is what tveeprom is otherwise going to attempt */
-       memset(eeprom,0,EEPROM_SIZE);
        for (tcnt = 0; tcnt < EEPROM_SIZE; tcnt += pcnt) {
                pcnt = 16;
                if (pcnt + tcnt > EEPROM_SIZE) pcnt = EEPROM_SIZE-tcnt;
-- 
2.11.0