michallenc commented on code in PR #9309:
URL: https://github.com/apache/nuttx/pull/9309#discussion_r1199012309
##########
drivers/mtd/w25qxxxjv.c:
##########
@@ -628,14 +626,9 @@ static void w25qxxxjv_write_disable(FAR struct
w25qxxxjv_dev_s *priv)
static void w25qxxxjv_set_die(FAR struct w25qxxxjv_dev_s *priv, uint8_t die)
{
- char buff[1] =
- {
- die,
- };
-
w25qxxxjv_write_enable(priv);
w25qxxxjv_command_write(priv->qspi, W25QXXXJV_SW_DIE_SELECT,
- (FAR const void *)buff, 1);
+ (FAR const void *)&die, 1);
Review Comment:
Hi @pkarashchenko. This change causes segmentation fault. Guess it is by
`uint8_t die` being stack variable as it is passed to function as a parameter.
I think we could go with
```C
char buff[1];
buff[0] = die;
w25qxxxjv_write_enable(priv);
w25qxxxjv_command_write(priv->qspi, W25QXXXJV_SW_DIE_SELECT,
(FAR const void *)buff, 1);
```
and still keep C89 compatibility, right?
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