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parport: change style of NULL comparison

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checkpatch was complaining about NULL comparisons.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sudip Mukherjee 2015-10-28 14:41:38 +05:30 committed by Greg Kroah-Hartman
parent 47ec57ec0e
commit b95b9d6cde
1 changed files with 4 additions and 4 deletions
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8
drivers/parport/share.c
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@ -738,11 +738,11 @@ parport_register_device(struct parport *port, const char *name,
parport_get_port (port);
tmp = kmalloc(sizeof(struct pardevice), GFP_KERNEL);
if (tmp == NULL)
if (!tmp)
goto out;
tmp->state = kmalloc(sizeof(struct parport_state), GFP_KERNEL);
if (tmp->state == NULL)
if (!tmp->state)
goto out_free_pardevice;
tmp->name = name;
@ -971,7 +971,7 @@ void parport_unregister_device(struct pardevice *dev)
struct parport *port;
#ifdef PARPORT_PARANOID
if (dev == NULL) {
if (!dev) {
printk(KERN_ERR "parport_unregister_device: passed NULL\n");
return;
}
@ -1345,7 +1345,7 @@ void parport_release(struct pardevice *dev)
* interested in being woken up. (Note: no locking required)
*/
/* !!! LOCKING IS NEEDED HERE */
for (pd = port->devices; (port->cad == NULL) && pd; pd = pd->next) {
for (pd = port->devices; !port->cad && pd; pd = pd->next) {
if (pd->wakeup && pd != dev)
pd->wakeup(pd->private);
}