remove intializations to NULL where not needed and let the compiler
find flows with unitilized variables.
Fix one such flow in easycap_vma_fault function
Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx>
---
drivers/staging/easycap/easycap_main.c | 11 +++--------
1 files changed, 3 insertions(+), 8 deletions(-)
diff --git a/drivers/staging/easycap/easycap_main.c b/drivers/staging/easycap/easycap_main.c
index 21d155a..8430e00 100644
--- a/drivers/staging/easycap/easycap_main.c
+++ b/drivers/staging/easycap/easycap_main.c
@@ -144,7 +144,6 @@ int rc;
JOT(4, "\n");
SAY("==========OPEN=========\n");
-peasycap = NULL;
/*---------------------------------------------------------------------------*/
#ifndef EASYCAP_IS_VIDEODEV_CLIENT
if (NULL == inode) {
@@ -851,7 +850,7 @@ if (NULL != peasycap->purb_video_head) {
list_for_each_safe(plist_head, plist_next, peasycap->purb_video_head) {
pdata_urb = list_entry(plist_head, struct data_urb, list_head);
if (NULL != pdata_urb) {
- kfree(pdata_urb); pdata_urb = NULL;
+ kfree(pdata_urb); pdata_urb = NULL;
peasycap->allocation_video_struct -=
sizeof(struct data_urb);
m++;
@@ -2649,8 +2648,6 @@ struct page *page;
struct easycap *peasycap;
retcode = VM_FAULT_NOPAGE;
-pbuf = NULL;
-page = NULL;
if (NULL == pvma) {
SAY("pvma is NULL\n");
@@ -2686,16 +2683,15 @@ if (NULL == peasycap) {
pbuf = peasycap->frame_buffer[k][m].pgo;
if (NULL == pbuf) {
SAM("ERROR: pbuf is NULL\n");
- goto finish;
+ return retcode;
}
page = virt_to_page(pbuf);
if (NULL == page) {
SAM("ERROR: page is NULL\n");
- goto finish;
+ return retcode;
}
get_page(page);
/*---------------------------------------------------------------------------*/
-finish:
if (NULL == page) {
SAM("ERROR: page is NULL after get_page(page)\n");
} else {
@@ -3192,7 +3188,6 @@ if (NULL == pusb_interface) {
SAY("ERROR: pusb_interface is NULL\n");
return -EFAULT;
}
-peasycap = NULL;
/*---------------------------------------------------------------------------*/
/*
* GET POINTER TO STRUCTURE usb_device
--
1.7.3.5
---------------------------------------------------------------------
Intel Israel (74) Limited
This e-mail and any attachments may contain confidential material for
the sole use of the intended recipient(s). Any review or distribution
by others is strictly prohibited. If you are not the intended
recipient, please contact the sender and delete all copies.
_______________________________________________
devel mailing list
devel@xxxxxxxxxxxxxxxxxxxxxx
http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
