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authorMichael Ellerman <michael@ellerman.id.au>2005-08-09 15:20:20 +1000
committerPaul Mackerras <paulus@samba.org>2005-08-29 10:53:38 +1000
commit9a5573e378c5c8976c6000a7643b52e2a0481688 (patch)
treefc8e0e366460434b515128a287448fa64d15f105 /arch/ppc64
parent95920324f51b3a12603cf6d9bacbd831f34c5b60 (diff)
[PATCH] ppc64: Check of_chosen in check_for_initrd()
You can't call get_property() on a NULL node, so check if of_chosen is set in check_for_initrd(). Signed-off-by: Michael Ellerman <michael@ellerman.id.au> arch/ppc64/kernel/setup.c | 20 ++++++++++++-------- 1 files changed, 12 insertions(+), 8 deletions(-) Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/ppc64')
-rw-r--r--arch/ppc64/kernel/setup.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/arch/ppc64/kernel/setup.c b/arch/ppc64/kernel/setup.c
index b3ef8df12982..ee3b20de2e7a 100644
--- a/arch/ppc64/kernel/setup.c
+++ b/arch/ppc64/kernel/setup.c
@@ -536,15 +536,19 @@ static void __init check_for_initrd(void)
DBG(" -> check_for_initrd()\n");
- prop = (u64 *)get_property(of_chosen, "linux,initrd-start", NULL);
- if (prop != NULL) {
- initrd_start = (unsigned long)__va(*prop);
- prop = (u64 *)get_property(of_chosen, "linux,initrd-end", NULL);
+ if (of_chosen) {
+ prop = (u64 *)get_property(of_chosen,
+ "linux,initrd-start", NULL);
if (prop != NULL) {
- initrd_end = (unsigned long)__va(*prop);
- initrd_below_start_ok = 1;
- } else
- initrd_start = 0;
+ initrd_start = (unsigned long)__va(*prop);
+ prop = (u64 *)get_property(of_chosen,
+ "linux,initrd-end", NULL);
+ if (prop != NULL) {
+ initrd_end = (unsigned long)__va(*prop);
+ initrd_below_start_ok = 1;
+ } else
+ initrd_start = 0;
+ }
}
/* If we were passed an initrd, set the ROOT_DEV properly if the values