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Diffstat (limited to 'sys/boot/i386/boot2/boot2.c')
-rw-r--r--sys/boot/i386/boot2/boot2.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/boot/i386/boot2/boot2.c b/sys/boot/i386/boot2/boot2.c
index 75abc7e..101d2da 100644
--- a/sys/boot/i386/boot2/boot2.c
+++ b/sys/boot/i386/boot2/boot2.c
@@ -150,6 +150,7 @@ static int comspeed = SIOSPD;
static uint8_t ioctrl = IO_KEYBOARD;
#endif
+int main(void);
void exit(int);
static void load(void);
static int parse(void);
@@ -481,7 +482,8 @@ parse()
? DRV_HARD : 0) + drv;
dsk_meta = 0;
}
- if (k = ep - arg) {
+ k = ep - arg;
+ if (k > 0) {
if (k >= sizeof(knamebuf))
return -1;
memcpy(knamebuf, arg, k + 1);
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