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HID: hidraw: Fix invalid read in hidraw_ioctl
[platform/kernel/linux-starfive.git]
/
drivers
/
hid
/
hidraw.c
diff --git
a/drivers/hid/hidraw.c
b/drivers/hid/hidraw.c
index
006bd6f
..
62ef47a
100644
(file)
--- a/
drivers/hid/hidraw.c
+++ b/
drivers/hid/hidraw.c
@@
-370,7
+370,7
@@
static long hidraw_ioctl(struct file *file, unsigned int cmd,
mutex_lock(&minors_lock);
dev = hidraw_table[minor];
- if (!dev) {
+ if (!dev
|| !dev->exist
) {
ret = -ENODEV;
goto out;
}