diff options
author | Duoming Zhou <duoming@zju.edu.cn> | 2024-03-06 17:12:59 +0800 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-06-16 13:23:34 +0200 |
commit | d2640251f94078e1dcf0a26b1815601f6dbd5440 (patch) | |
tree | e2284eaaf922c952f988713be437ab2c2159dd20 | |
parent | 732e700a1689fbdb8ac94faeb7765e81456b0a95 (diff) | |
download | linux-stable-d2640251f94078e1dcf0a26b1815601f6dbd5440.tar.gz linux-stable-d2640251f94078e1dcf0a26b1815601f6dbd5440.tar.bz2 linux-stable-d2640251f94078e1dcf0a26b1815601f6dbd5440.zip |
um: Fix return value in ubd_init()
[ Upstream commit 31a5990ed253a66712d7ddc29c92d297a991fdf2 ]
When kmalloc_array() fails to allocate memory, the ubd_init()
should return -ENOMEM instead of -1. So, fix it.
Fixes: f88f0bdfc32f ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r-- | arch/um/drivers/ubd_kern.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index 788c80abff5d..4a32df89a491 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -1135,7 +1135,7 @@ 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 *), @@ -1146,7 +1146,7 @@ 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); |