um: Fix return value in ubd_init()

When kmalloc_array() fails to allocate memory, the ubd_init() should return -ENOMEM instead of -1. So, fix it. Fixes: f88f0bd ("um: UBD Improvements") Signed-off-by: Duoming Zhou <[email protected]> Reviewed-by: Johannes Berg <[email protected]> Signed-off-by: Richard Weinberger <[email protected]>
torvalds · Apr 22, 2024 · 31a5990 · 31a5990
1 parent ed30a4a
commit 31a5990
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
@@ -1092,7 +1092,7 @@ static int __init ubd_init(void)
 
  if (irq_req_buffer == NULL) {
  printk(KERN_ERR "Failed to initialize ubd buffering\n");
- return -1;
+ return -ENOMEM;
  }
  io_req_buffer = kmalloc_array(UBD_REQ_BUFFER_SIZE,
  sizeof(struct io_thread_req *),
@@ -1103,7 +1103,7 @@ static int __init ubd_init(void)
 
  if (io_req_buffer == NULL) {
  printk(KERN_ERR "Failed to initialize ubd buffering\n");
- return -1;
+ return -ENOMEM;
  }
  platform_driver_register(&ubd_driver);
  mutex_lock(&ubd_lock);