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counter: callback null check to use NULL instead of numeric zero

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Using 0 instead of NULL is a violation of MISRA rule 11.9.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This commit is contained in:
Daniel Leung 2021-04-27 12:11:14 -07:00 committed by Anas Nashif
parent c8177ace3a
commit 5d6c5d5517
1 changed files with 2 additions and 2 deletions
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4
drivers/counter/counter_handlers.c
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@ -81,7 +81,7 @@ static inline int z_vrfy_counter_set_channel_alarm(const struct device *dev,
Z_OOPS(Z_SYSCALL_DRIVER_COUNTER(dev, set_alarm));
Z_OOPS(z_user_from_copy(&cfg_copy, alarm_cfg, sizeof(cfg_copy)));
Z_OOPS(Z_SYSCALL_VERIFY_MSG(cfg_copy.callback == 0,
Z_OOPS(Z_SYSCALL_VERIFY_MSG(cfg_copy.callback == NULL,
"callbacks may not be set from user mode"));
return z_impl_counter_set_channel_alarm((const struct device *)dev,
(uint8_t)chan_id,
@ -107,7 +107,7 @@ static inline int z_vrfy_counter_set_top_value(const struct device *dev,
Z_OOPS(Z_SYSCALL_DRIVER_COUNTER(dev, set_top_value));
Z_OOPS(z_user_from_copy(&cfg_copy, cfg, sizeof(cfg_copy)));
Z_OOPS(Z_SYSCALL_VERIFY_MSG(cfg_copy.callback == 0,
Z_OOPS(Z_SYSCALL_VERIFY_MSG(cfg_copy.callback == NULL,
"callbacks may not be set from user mode"));
return z_impl_counter_set_top_value((const struct device *)dev,
(const struct counter_top_cfg *)