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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-21 09:06:42 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-21 09:06:42 +0200
commit629b9111535f2a2607bbea1599d285a25f32835d (patch)
tree81a37df4e13842d5ea3d54b619e929e2b6e9ffed /drivers/usb/class
parent673d74683627bc78eaca1fdbe24b6cf45c5c8d84 (diff)
parentba4f184e126b751d1bffad5897f263108befc780 (diff)
Merge 5.0-rc6 into usb-next
We want the USB fixes in here, and this resolves a merge issue in the uas driver. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/class')
-rw-r--r--drivers/usb/class/usblp.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index 084c48c5848f..67cbd42421be 100644
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -827,6 +827,11 @@ static ssize_t usblp_read(struct file *file, char __user *buffer, size_t len, lo
if (rv < 0)
return rv;
+ if (!usblp->present) {
+ count = -ENODEV;
+ goto done;
+ }
+
if ((avail = usblp->rstatus) < 0) {
printk(KERN_ERR "usblp%d: error %d reading from printer\n",
usblp->minor, (int)avail);