staging/easycap: remove explicit NULL initialization

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@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Tomas Winkler 2011-02-03 13:42:43 +02:00 committed by Greg Kroah-Hartman
parent 6911e7e4a6
commit b737f3b8cf

View file

@ -144,7 +144,6 @@ int rc;
JOT(4, "\n");
SAY("==========OPEN=========\n");
peasycap = NULL;
/*---------------------------------------------------------------------------*/
#ifndef EASYCAP_IS_VIDEODEV_CLIENT
if (NULL == inode) {
@ -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