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2004-07-08 Roland McGrath <roland@redhat.com>

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* resource.c (sys_quotactl): Truncate first argument to 32 bits, since
	that's what the kernel will do.
This commit is contained in:
Roland McGrath 2004-07-08 19:00:04 +00:00
parent 2c72f3c1d7
commit 9f09da616a
1 changed files with 11 additions and 3 deletions
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14
resource.c
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@ -498,10 +498,18 @@ int
sys_quotactl(tcp)
struct tcb *tcp;
{
/*
* The Linux kernel only looks at the low 32 bits of the command
* argument, but on some 64-bit architectures (s390x) this word
* will have been sign-extended when we see it. The high 1 bits
* don't mean anything, so don't confuse the output with them.
*/
unsigned int cmd = tcp->u_arg[0];
if (entering(tcp)) {
printxval(quotacmds, (unsigned long) tcp->u_arg[0] >> SUBCMDSHIFT, "Q_???");
printxval(quotacmds, cmd >> SUBCMDSHIFT, "Q_???");
tprintf("|");
printxval(quotatypes, tcp->u_arg[0] & SUBCMDMASK, "???QUOTA");
printxval(quotatypes, cmd & SUBCMDMASK, "???QUOTA");
tprintf(", ");
printstr(tcp, tcp->u_arg[1], -1);
tprintf(", %lu, ", tcp->u_arg[2]);
@ -511,7 +519,7 @@ struct tcb *tcp;
if (!tcp->u_arg[3])
tprintf("NULL");
else if (!verbose(tcp) || !OLD_COMMAND(tcp->u_arg[0]))
else if (!verbose(tcp) || !OLD_COMMAND(cmd))
tprintf("%#lx", tcp->u_arg[3]);
else if (umoven(tcp, tcp->u_arg[3], sizeof(struct dqblk),
(char *) &dq) < 0)