openocd: fix simple cases of NULL comparison

There are more than 1000 NULL comparisons to be aligned to the
coding style.
For recurrent NULL comparison it's preferable using trivial
scripts in order to minimize the review effort.

Patch generated automatically with the command:
	sed -i PATTERN $(find src/ -type f)
where PATTERN is in the list:
	's/(\([a-z][a-z0-9_]*\) == NULL)/(!\1)/g'
	's/(\([a-z][a-z0-9_]*->[a-z][a-z0-9_]*\) == NULL)/(!\1)/g'
	's/(\([a-z][a-z0-9_]*\.[a-z][a-z0-9_]*\) == NULL)/(!\1)/g'

	's/(\([a-z][a-z0-9_]*\) != NULL)/(\1)/g'
	's/(\([a-z][a-z0-9_]*->[a-z][a-z0-9_]*\) != NULL)/(\1)/g'
	's/(\([a-z][a-z0-9_]*\.[a-z][a-z0-9_]*\) != NULL)/(\1)/g'

	's/(NULL == \([a-z][a-z0-9_]*\))/(!\1)/g'
	's/(NULL == \([a-z][a-z0-9_]*->[a-z][a-z0-9_]*\))/(!\1)/g'
	's/(NULL == \([a-z][a-z0-9_]*\.[a-z][a-z0-9_]*\))/(!\1)/g'

	's/(NULL != \([a-z][a-z0-9_]*\))/(\1)/g'
	's/(NULL != \([a-z][a-z0-9_]*->[a-z][a-z0-9_]*\))/(\1)/g'
	's/(NULL != \([a-z][a-z0-9_]*\.[a-z][a-z0-9_]*\))/(\1)/g'

Change-Id: Ida103e325d6d0600fb69c0b7a1557ee969db4417
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: http://openocd.zylin.com/6350
Tested-by: jenkins

1 files changed, 2 insertions, 2 deletions

diff --git a/src/target/avrt.c b/src/target/avrt.c
index eb8d000..feceec6 100644
--- a/src/target/avrt.c
+++ b/src/target/avrt.c
@@ -160,7 +160,7 @@ int avr_jtag_sendinstr(struct jtag_tap *tap, uint8_t *ir_in, uint8_t ir_out)
 static int mcu_write_ir(struct jtag_tap *tap, uint8_t *ir_in, uint8_t *ir_out,
 		int ir_len, int rti)
 {
-	if (NULL == tap) {
+	if (!tap) {
 		LOG_ERROR("invalid tap");
 		return ERROR_FAIL;
 	}
@@ -179,7 +179,7 @@ static int mcu_write_ir(struct jtag_tap *tap, uint8_t *ir_in, uint8_t *ir_out,
 static int mcu_write_dr(struct jtag_tap *tap, uint8_t *dr_in, uint8_t *dr_out,
 		int dr_len, int rti)
 {
-	if (NULL == tap) {
+	if (!tap) {
 		LOG_ERROR("invalid tap");
 		return ERROR_FAIL;
 	}