[PATCH] staging: fbtft: fix NULL comparison checkpatch warning

From: Carlos Palminha
Date: Thu Sep 29 2016 - 08:05:22 EST


Fixed the following checkpatch warnings (task #10 of eudyptula challenge):
- NULL comparison rewritten to use '!' operator

Signed-off-by: Carlos Palminha <palminha@xxxxxxxxxxxx>
---
drivers/staging/fbtft/fbtft_device.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/fbtft/fbtft_device.c b/drivers/staging/fbtft/fbtft_device.c
index e9f25dd..e921183 100644
--- a/drivers/staging/fbtft/fbtft_device.c
+++ b/drivers/staging/fbtft/fbtft_device.c
@@ -1418,14 +1418,14 @@ static int __init fbtft_device_init(void)

/* parse module parameter: gpios */
while ((p_gpio = strsep(&gpios, ","))) {
- if (strchr(p_gpio, ':') == NULL) {
+ if (!strchr(p_gpio, ':')) {
pr_err("error: missing ':' in gpios parameter: %s\n",
p_gpio);
return -EINVAL;
}
p_num = p_gpio;
p_name = strsep(&p_num, ":");
- if (p_name == NULL || p_num == NULL) {
+ if (!p_name || !p_num) {
pr_err("something bad happened parsing gpios parameter: %s\n",
p_gpio);
return -EINVAL;
--
2.9.3