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authorLinus Torvalds <torvalds@linux-foundation.org>2020-09-13 09:23:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-09-13 09:23:54 -0700
commite4c26faa426c17274884f759f708bc9ee22fd59a (patch)
treea97662c1d0c67f52b57c6a7e885cbbfcdaf255ae /drivers/usb/core/sysfs.c
parent6c7247f6258b2dba353c885a1b00d795a380cc85 (diff)
parenta29c0adbb688ddee61b731804fb360898412fe7e (diff)
Merge tag 'usb-5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/Thunderbolt fixes from Greg KH: "Here are some small USB and Thunderbolt driver fixes for 5.9-rc5. Nothing huge, just a number of bugfixes and new device ids for problems reported: - new USB serial driver ids - bug fixes for syzbot reported problems - typec driver fixes - thunderbolt driver fixes - revert of reported broken commit All of these have been in linux-next with no reported issues" * tag 'usb-5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: usb: typec: intel_pmc_mux: Do not configure SBU and HSL Orientation in Alternate modes usb: typec: intel_pmc_mux: Do not configure Altmode HPD High usb: core: fix slab-out-of-bounds Read in read_descriptors Revert "usb: dwc3: meson-g12a: fix shared reset control use" usb: typec: ucsi: acpi: Check the _DEP dependencies usb: typec: intel_pmc_mux: Un-register the USB role switch usb: Fix out of sync data toggle if a configured device is reconfigured USB: serial: option: support dynamic Quectel USB compositions USB: serial: option: add support for SIM7070/SIM7080/SIM7090 modules thunderbolt: Use maximum USB3 link rate when reclaiming if link is not up thunderbolt: Disable ports that are not implemented USB: serial: ftdi_sio: add IDs for Xsens Mti USB converter
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;
}