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Merge pull request #3433 from DavidLin1577/patch-5

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Fixed a hidden stack overflow bug
This commit is contained in:
Bernard Xiong 2020-03-15 20:52:06 +08:00 committed by GitHub
commit a7bcf90d78
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1 changed files with 5 additions and 4 deletions
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9
bsp/fh8620/drivers/pwm.c
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@ -29,6 +29,7 @@
#include "interrupt.h" #include "interrupt.h"
#include "board_info.h" #include "board_info.h"
#include "inc/fh_driverlib.h" #include "inc/fh_driverlib.h"
#include <rtthread.h>
#include <rtdevice.h> #include <rtdevice.h>
#ifdef FH_PWM_DEBUG #ifdef FH_PWM_DEBUG
#define PRINT_PWM_DBG(fmt, args...) \ #define PRINT_PWM_DBG(fmt, args...) \
@ -185,14 +186,14 @@ int fh_pwm_probe(void *priv_data)
PWM_Enable(pwm_obj, RT_FALSE); PWM_Enable(pwm_obj, RT_FALSE);
pwm_dev = rt_malloc(sizeof(struct rt_device)); pwm_dev = rt_calloc(1,sizeof(struct rt_device));
rt_memset(pwm_dev, 0, sizeof(struct rt_device));
if (pwm_dev == RT_NULL) if (pwm_dev == RT_NULL)
{ {
rt_kprintf("ERROR: %s rt_device malloc failed\n", __func__); rt_kprintf("ERROR: %s rt_device calloc failed\n", __func__);
return -RT_ENOMEM;
} }
pwm_dev->user_data = &pwm_drv; pwm_dev->user_data = &pwm_drv;
pwm_dev->open =fh_pwm_open; pwm_dev->open =fh_pwm_open;
pwm_dev->close = fh_pwm_close; pwm_dev->close = fh_pwm_close;