Hi all,
i found this bit of code somewhere in the kernel.
cud NE one explain why the do...while is required???
do
{
....(some statements)
....
....
} while(0);
this will execute only once, so why the do....while at all???
TIA
mandeep
-----Original Message-----
From: Kiran Kumar [mailto:immidi_kiran@yahoo.com]
Sent: Monday, January 19, 2004 3:30 PM
To: kernelnewbies@nl.linux.org
Subject: skbuff query
Hi,
Can some one clarify why this code piece
(alloc_skb() skbuff.c) has ++count < 5? Should it not
be greater than, if it intends to tolerate the
condition 5 times.
if (in_interrupt() && (gfp_mask & __GFP_WAIT)) {
static int count = 0;
if (++count < 5) {
printk(KERN_ERR "alloc_skb called nonatomically
"
"from interrupt %p\n",
NET_CALLER(size));
BUG();
}
gfp_mask &= ~__GFP_WAIT;
}
=====
Regards,
Kiran Kumar Immidi
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