TononixOS/ubports_kernel_google_msm
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Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

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* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
  [SPARC]: Fix regression in sys_getdomainname()
  [OPENPROMIO]: Handle current_node being NULL correctly.
This commit is contained in:
Linus Torvalds
2006-09-18 16:15:40 -07:00
parent 77e2782f9b b9c54f91a4
commit 20bf94e266
3 changed files with 22 additions and 11 deletions
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13
drivers/sbus/char/openprom.c
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@@ -145,8 +145,9 @@ static int opromgetprop(void __user *argp, struct device_node *dp, struct openpr
void *pval;
int len;
pval = of_get_property(dp, op->oprom_array, &len);
if (!pval || len <= 0 || len > bufsize)
if (!dp ||
!(pval = of_get_property(dp, op->oprom_array, &len)) ||
len <= 0 || len > bufsize)
return copyout(argp, op, sizeof(int));
memcpy(op->oprom_array, pval, len);
@@ -161,6 +162,8 @@ static int opromnxtprop(void __user *argp, struct device_node *dp, struct openpr
struct property *prop;
int len;
if (!dp)
return copyout(argp, op, sizeof(int));
if (op->oprom_array[0] == '\0') {
prop = dp->properties;
if (!prop)
@@ -266,9 +269,13 @@ static int oprompci2node(void __user *argp, struct device_node *dp, struct openp
static int oprompath2node(void __user *argp, struct device_node *dp, struct openpromio *op, int bufsize, DATA *data)
{
phandle ph = 0;
dp = of_find_node_by_path(op->oprom_array);
if (dp)
ph = dp->node;
data->current_node = dp;
*((int *)op->oprom_array) = dp->node;
*((int *)op->oprom_array) = ph;
op->oprom_size = sizeof(int);
return copyout(argp, op, bufsize + sizeof(int));