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authorBenjamin Romer <benjamin.romer@unisys.com>2015-03-16 13:58:35 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-03-23 21:58:12 +0100
commit862cf604071bcd94fc3d8e0a8953d340eab6e3a0 (patch)
tree7f4cd7b44f2ffbe386deab4c04bf1364aebbd388 /drivers/staging/unisys
parenta6a3989b514a276506d4e8432318e1186636c1f3 (diff)
staging: unisys: fix NULL pointer comparisons in uislib.c
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>
Diffstat (limited to 'drivers/staging/unisys')
-rw-r--r--drivers/staging/unisys/uislib/uislib.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/staging/unisys/uislib/uislib.c b/drivers/staging/unisys/uislib/uislib.c
index d23e0df16b01..f93d0bb11b12 100644
--- a/drivers/staging/unisys/uislib/uislib.c
+++ b/drivers/staging/unisys/uislib/uislib.c
@@ -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);
}