xiaoxiang781216 commented on a change in pull request #5204:
URL: https://github.com/apache/incubator-nuttx/pull/5204#discussion_r815467176
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File path: drivers/input/ajoystick.c
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@@ -526,12 +461,7 @@ static ssize_t ajoy_read(FAR struct file *filep, FAR char
*buffer,
/* Get exclusive access to the driver structure */
- ret = ajoy_takesem(&priv->au_exclsem);
- if (ret < 0)
- {
- ierr("ERROR: ajoy_takesem failed: %d\n", ret);
- return ret;
- }
+ flags = enter_critical_section();
Review comment:
The link list is just a demo, if you evaluate each field on by one, you
will find that all most fields touch in both the thread context and interrupt
context.
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