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authorLin Ma <linma@zju.edu.cn>2022-04-12 17:43:59 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-04-21 20:03:26 +0300
commitb92ffb1eddd9a66a90defc556dcbf65a43c196c7 (patch)
treec97a55fd9d189a6ac31a1c0107d8dbef17ba2932 /drivers/usb/storage
parent67ec2c75f37780e0e825d0beb2fb4892c8a93c6a (diff)
downloadlinux-b92ffb1eddd9a66a90defc556dcbf65a43c196c7.tar.xz
USB: storage: karma: fix rio_karma_init return
The function rio_karam_init() should return -ENOMEM instead of value 0 (USB_STOR_TRANSPORT_GOOD) when allocation fails. Similarly, it should return -EIO when rio_karma_send_command() fails. Fixes: dfe0d3ba20e8 ("USB Storage: add rio karma eject support") Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Lin Ma <linma@zju.edu.cn> Link: https://lore.kernel.org/r/20220412144359.28447-1-linma@zju.edu.cn Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/storage')
-rw-r--r--drivers/usb/storage/karma.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/usb/storage/karma.c b/drivers/usb/storage/karma.c
index 05cec81dcd3f..38ddfedef629 100644
--- a/drivers/usb/storage/karma.c
+++ b/drivers/usb/storage/karma.c
@@ -174,24 +174,25 @@ static void rio_karma_destructor(void *extra)
static int rio_karma_init(struct us_data *us)
{
- int ret = 0;
struct karma_data *data = kzalloc(sizeof(struct karma_data), GFP_NOIO);
if (!data)
- goto out;
+ return -ENOMEM;
data->recv = kmalloc(RIO_RECV_LEN, GFP_NOIO);
if (!data->recv) {
kfree(data);
- goto out;
+ return -ENOMEM;
}
us->extra = data;
us->extra_destructor = rio_karma_destructor;
- ret = rio_karma_send_command(RIO_ENTER_STORAGE, us);
- data->in_storage = (ret == 0);
-out:
- return ret;
+ if (rio_karma_send_command(RIO_ENTER_STORAGE, us))
+ return -EIO;
+
+ data->in_storage = 1;
+
+ return 0;
}
static struct scsi_host_template karma_host_template;