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Use a cleaner expression to retrieve the memory size in pc98's boot2.c,

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which also avoids NULL pointer arithmetic, as suggested by jhb.  The
available space goes from 11 bytes to 7.

Reviewed by:	nyan
Approved by:	rpaulo (mentor)
This commit is contained in:
Dimitry Andric 2010-09-01 15:24:47 +00:00
parent e5ddf11581
commit cd70197aa9
1 changed files with 2 additions and 3 deletions
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5
sys/boot/pc98/boot2/boot2.c
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@ -187,9 +187,8 @@ xfsread(ino_t inode, void *buf, size_t nbyte)
static inline uint32_t
memsize(void)
{
u_char *p = (u_char *)PTOV(0x401);
return *p * 128 * 1024 + *(u_int16_t *)(p + (0x594 - 0x401)) * 1024 * 1024;
return (*(u_char *)PTOV(0x401) * 128 * 1024 +
*(uint16_t *)PTOV(0x594) * 1024 * 1024);
}
static inline void