From 862cf604071bcd94fc3d8e0a8953d340eab6e3a0 Mon Sep 17 00:00:00 2001 From: Benjamin Romer Date: Mon, 16 Mar 2015 13:58:35 -0400 Subject: [PATCH] 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 Signed-off-by: Greg Kroah-Hartman --- drivers/staging/unisys/uislib/uislib.c | 14 +++++++------- 1 file 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); } -- 2.39.2