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authorJan Beulich <jbeulich@novell.com>2008-07-18 13:35:37 +0100
committerH. Peter Anvin <hpa@zytor.com>2008-07-18 14:33:17 -0700
commitf2ba93929fdb91fd806be20e959a50f7db82790e (patch)
treeca3518a85672e3da4e36884139707ae6577939d5 /arch/x86
parentffaa152efd02849c0c36947f533f2ee3ee55369a (diff)
x86: check function status in EDD boot code
Without checking the return value of get_edd_info() and adding the entry only in the success case, 6 devices show up under /sys/firmware/edd/, no matter how many devices are actually present. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/boot/edd.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/boot/edd.c b/arch/x86/boot/edd.c
index 03399d64013b..d93cbc6464d0 100644
--- a/arch/x86/boot/edd.c
+++ b/arch/x86/boot/edd.c
@@ -167,9 +167,8 @@ void query_edd(void)
* Scan the BIOS-supported hard disks and query EDD
* information...
*/
- get_edd_info(devno, &ei);
-
- if (boot_params.eddbuf_entries < EDDMAXNR) {
+ if (!get_edd_info(devno, &ei)
+ && boot_params.eddbuf_entries < EDDMAXNR) {
memcpy(edp, &ei, sizeof ei);
edp++;
boot_params.eddbuf_entries++;