summaryrefslogtreecommitdiff
path: root/drivers/usb/core/sysfs.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-14 10:07:08 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-14 10:07:08 +0200
commit05fa34dcdb34d2a496ef89d8f361ca697643edec (patch)
tree1d5bddce044e2646776c5a315eec4211be3f3410 /drivers/usb/core/sysfs.c
parentf7dbcd17703157c0063c619714a765e3116caa83 (diff)
parent856deb866d16e29bd65952e0289066f6078af773 (diff)
Merge 5.9-rc5 into char-misc-next
We want the char/misc fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/core/sysfs.c')
-rw-r--r--drivers/usb/core/sysfs.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index a2ca38e25e0c3..8d134193fa0cf 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -889,7 +889,11 @@ read_descriptors(struct file *filp, struct kobject *kobj,
size_t srclen, n;
int cfgno;
void *src;
+ int retval;
+ retval = usb_lock_device_interruptible(udev);
+ if (retval < 0)
+ return -EINTR;
/* The binary attribute begins with the device descriptor.
* Following that are the raw descriptor entries for all the
* configurations (config plus subsidiary descriptors).
@@ -914,6 +918,7 @@ read_descriptors(struct file *filp, struct kobject *kobj,
off -= srclen;
}
}
+ usb_unlock_device(udev);
return count - nleft;
}