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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: f88f0bdfc3
("um: UBD Improvements")
Signed-off-by: Duoming Zhou <duoming@zju.edu.cn>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
parent
ed30a4a51b
commit
31a5990ed2
1 changed files with 2 additions and 2 deletions
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@ -1092,7 +1092,7 @@ static int __init ubd_init(void)
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if (irq_req_buffer == NULL) {
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printk(KERN_ERR "Failed to initialize ubd buffering\n");
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return -1;
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return -ENOMEM;
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}
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io_req_buffer = kmalloc_array(UBD_REQ_BUFFER_SIZE,
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sizeof(struct io_thread_req *),
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@ -1103,7 +1103,7 @@ static int __init ubd_init(void)
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if (io_req_buffer == NULL) {
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printk(KERN_ERR "Failed to initialize ubd buffering\n");
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return -1;
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return -ENOMEM;
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}
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platform_driver_register(&ubd_driver);
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mutex_lock(&ubd_lock);
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