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staging: fbtft: fix NULL comparison checkpatch warning 

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

Signed-off-by: Carlos Palminha <palminha@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Carlos Palminha 2016-09-29 13:03:30 +01:00 committed by Greg Kroah-Hartman
parent 259334ed30
commit 52b4f6e081
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/fbtft/fbtft_device.c
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@ -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;