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-rw-r--r--drivers/s390/char/vmcp.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/s390/char/vmcp.c b/drivers/s390/char/vmcp.c
index 8990d8076e7d..19762f3476aa 100644
--- a/drivers/s390/char/vmcp.c
+++ b/drivers/s390/char/vmcp.c
@@ -103,8 +103,10 @@ vmcp_write(struct file *file, const char __user * buff, size_t count,
}
cmd[count] = '\0';
session = (struct vmcp_session *)file->private_data;
- if (down_interruptible(&session->mutex))
+ if (down_interruptible(&session->mutex)) {
+ kfree(cmd);
return -ERESTARTSYS;
+ }
if (!session->response)
session->response = (char *)__get_free_pages(GFP_KERNEL
| __GFP_REPEAT | GFP_DMA,