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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-14 10:10:55 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-14 10:10:55 +0200
commitfccee0baced04636952cd580ddee4bb8cbb9544c (patch)
tree80e25c0e100246357bd0c0a93feb1bf2e5e5bd1d /drivers/usb/core/sysfs.c
parenta5a6d2753e7ec18a34bd21190b50ee7f085f4daf (diff)
parent856deb866d16e29bd65952e0289066f6078af773 (diff)
Merge 5.9-rc5 into usb-next
We need the USB 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 a2ca38e25e0c..8d134193fa0c 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;
}