Commit dec1798f authored by Roel Kluin's avatar Roel Kluin Committed by Tony Luck
Browse files

[IA64] unsigned cannot be less than 0 in sn_hwperf_ioctl()



struct sn_hwperf_ioctl_args member arg (u64) cannot be less than 0.
Signed-off-by: default avatarRoel Kluin <roel.kluin@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 29e4e025
......@@ -786,17 +786,18 @@ sn_hwperf_ioctl(struct inode *in, struct file *fp, u32 op, unsigned long arg)
break;
case SN_HWPERF_GET_OBJ_NODE:
if (a.sz != sizeof(u64) || a.arg < 0) {
i = a.arg;
if (a.sz != sizeof(u64) || i < 0) {
r = -EINVAL;
goto error;
}
if ((r = sn_hwperf_enum_objects(&nobj, &objs)) == 0) {
if (a.arg >= nobj) {
if (i >= nobj) {
r = -EINVAL;
vfree(objs);
goto error;
}
if (objs[(i = a.arg)].id != a.arg) {
if (objs[i].id != a.arg) {
for (i = 0; i < nobj; i++) {
if (objs[i].id == a.arg)
break;
......
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