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Avoid directly manipulating a NULL pointer (which could result in

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undefined behaviour) in sys/boot/pc98/boot2/boot2.c.

Reviewed by:	nyan
Approved by:	rpaulo (mentor)
This commit is contained in:
Dimitry Andric 2010-08-31 18:11:50 +00:00
parent a2a200a24d
commit 227209559d
1 changed files with 2 additions and 2 deletions
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4
sys/boot/pc98/boot2/boot2.c
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@ -187,9 +187,9 @@ xfsread(ino_t inode, void *buf, size_t nbyte)
static inline uint32_t
memsize(void)
{
u_char *p = (u_char *)PTOV(0);
u_char *p = (u_char *)PTOV(0x401);
return *(p + 0x401) * 128 * 1024 + *(u_int16_t *)(p + 0x594) * 1024 * 1024;
return *p * 128 * 1024 + *(u_int16_t *)(p + (0x594 - 0x401)) * 1024 * 1024;
}
static inline void