[tip: x86/platform] x86/platform/uv: Fix an error code in uv_hubs_init()

[tip-bot2 for Dan Carpenter]

The following commit has been merged into the x86/platform branch of tip:

Commit-ID:     fa4a379ecfa0c735e8979bb732fe5a1705a64052
Gitweb:        https://git.kernel.org/tip/fa4a379ecfa0c735e8979bb732fe5a1705a64052
Author:        Dan Carpenter <dan.carpenter@xxxxxxxxxx>
AuthorDate:    Wed, 02 Dec 2020 17:44:07 +03:00
Committer:     Borislav Petkov <bp@xxxxxxx>
CommitterDate: Wed, 02 Dec 2020 20:51:53 +01:00

x86/platform/uv: Fix an error code in uv_hubs_init()

Return -ENOMEM on allocation failure instead of returning random stack
memory contents.

Fixes: 4fc2cf1f2daf ("x86/platform/uv: Add new uv_sysfs platform driver")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Link: https://lkml.kernel.org/r/X8eoN/jMAJb3H3iv@mwanda
---
 drivers/platform/x86/uv_sysfs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/platform/x86/uv_sysfs.c b/drivers/platform/x86/uv_sysfs.c
index 54c3425..e17ce8c 100644
--- a/drivers/platform/x86/uv_sysfs.c
+++ b/drivers/platform/x86/uv_sysfs.c
@@ -248,6 +248,7 @@ static int uv_hubs_init(void)
 		uv_hubs[i] = kzalloc(sizeof(*uv_hubs[i]), GFP_KERNEL);
 		if (!uv_hubs[i]) {
 			i--;
+			ret = -ENOMEM;
 			goto err_hubs;
 		}