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staging: unisys: fix NULL pointer comparisons in uislib.c

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Change pointer comparisons to NULL to just use the pointer directly.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Benjamin Romer 2015-03-16 13:58:35 -04:00 • committed by Greg Kroah-Hartman
parent a6a3989b51
commit 862cf60407
1 changed files with 7 additions and 7 deletions

14
drivers/staging/unisys/uislib/uislib.c
View file

@ -281,7 +281,7 @@ destroy_bus(struct controlvm_message *msg, char *buf)
/* verify that this bus has no devices. */
for (i = 0; i < bus->device_count; i++) {
if (bus->device[i] != NULL) {
if (bus->device[i]) {
read_unlock(&bus_list_lock);
return CONTROLVM_RESP_ERROR_BUS_DEVICE_ATTACHED;
}
@ -964,7 +964,7 @@ uislib_cache_alloc(struct kmem_cache *cur_pool, char *fn, int ln)
*/
void *p = kmem_cache_alloc(cur_pool, GFP_ATOMIC | __GFP_NORETRY);
if (p == NULL)
if (!p)
return NULL;
return p;
}
@ -973,7 +973,7 @@ EXPORT_SYMBOL_GPL(uislib_cache_alloc);
void
uislib_cache_free(struct kmem_cache *cur_pool, void *p, char *fn, int ln)
{
if (p == NULL)
if (!p)
return;
kmem_cache_free(cur_pool, p);
}
@ -1052,10 +1052,10 @@ static ssize_t info_debugfs_read(struct file *file, char __user *buf,
int remaining_bytes = PROC_READ_BUFFER_SIZE;
/* *start = buf; */
if (debug_buf == NULL) {
if (!debug_buf) {
debug_buf = vmalloc(PROC_READ_BUFFER_SIZE);
if (debug_buf == NULL)
if (!debug_buf)
return -ENOMEM;
}
@ -1158,7 +1158,7 @@ static int process_incoming(void *v)
* Reschedule work to occur as soon as
* possible. */
idle_cycles = 0;
if (new_tail == NULL) {
if (!new_tail) {
dev->first_busy_cnt++;
if (!
(list_is_last
@ -1174,7 +1174,7 @@ static int process_incoming(void *v)
if (kthread_should_stop())
break;
}
if (new_tail != NULL) {
if (new_tail) {
tot_moved_to_tail_cnt++;
list_move_tail(new_tail, &poll_dev_chan);
}