[PATCH 5/5] ASoC: dapm: Adjust seven checks for null pointers

[SF Markus Elfring]

From: Markus Elfring <elfr...@users.sourceforge.net>
Date: Thu, 10 Aug 2017 14:41:30 +0200
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The script “checkpatch.pl” pointed information out like the following.

Comparison to NULL could be written !…

Thus fix affected source code places.

Signed-off-by: Markus Elfring <elfr...@users.sourceforge.net>
---
 sound/soc/soc-dapm.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 4eea84d821c4..5a85b8773289 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -146,7 +146,7 @@ static void pop_dbg(struct device *dev, u32 pop_time, const 
char *fmt, ...)
                return;
 
        buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
-       if (buf == NULL)
+       if (!buf)
                return;
 
        va_start(args, fmt);
@@ -883,7 +883,7 @@ static int dapm_create_or_share_kcontrol(struct 
snd_soc_dapm_widget *w,
                        long_name = kasprintf(GFP_KERNEL, "%s %s",
                                 w->name + prefix_len,
                                 w->kcontrol_news[kci].name);
-                       if (long_name == NULL)
+                       if (!long_name)
                                return -ENOMEM;
 
                        name = long_name;
@@ -1086,7 +1086,7 @@ static int dapm_widget_list_create(struct 
snd_soc_dapm_widget_list **list,
                size++;
 
        *list = kzalloc(sizeof(**list) + size * sizeof(*w), GFP_KERNEL);
-       if (*list == NULL)
+       if (!*list)
                return -ENOMEM;
 
        list_for_each_entry(w, widgets, work_list)
@@ -2668,7 +2668,7 @@ static int snd_soc_dapm_add_path(struct 
snd_soc_dapm_context *dapm,
                path->is_supply = 1;
 
        /* connect static paths */
-       if (control == NULL) {
+       if (!control) {
                path->connect = 1;
        } else {
                switch (wsource->id) {
@@ -2777,12 +2777,12 @@ static int snd_soc_dapm_add_route(struct 
snd_soc_dapm_context *dapm,
        if (!wsource)
                wsource = wtsource;
 
-       if (wsource == NULL) {
+       if (!wsource) {
                dev_err(dapm->dev, "ASoC: no source widget found for %s\n",
                        route->source);
                return -ENODEV;
        }
-       if (wsink == NULL) {
+       if (!wsink) {
                dev_err(dapm->dev, "ASoC: no sink widget found for %s\n",
                        route->sink);
                return -ENODEV;
@@ -3489,7 +3489,7 @@ snd_soc_dapm_new_control_unlocked(struct 
snd_soc_dapm_context *dapm,
                w->name = kasprintf(GFP_KERNEL, "%s %s", prefix, widget->name);
        else
                w->name = kstrdup_const(widget->name, GFP_KERNEL);
-       if (w->name == NULL) {
+       if (!w->name) {
                kfree(w);
                return NULL;
        }
-- 
2.14.0