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Commit d1ff6522 authored by Jiri Kosina's avatar Jiri Kosina
Browse files

HID: fix non-atomic allocation in hid_input_report 



'interrupt' variable can't be used to safely determine whether
we are running in atomic context or not, as we might be called from
during control transfer completion through hid_ctrl() in atomic
context with interrupt == 0.

Reported-by: default avatarJens Axboe <jens.axboe@oracle.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 18240904

drivers/hid/hid-core.c

+1 −2
Original line number Diff line number Diff line
@@ -1089,8 +1089,7 @@ int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int i 
		return -1;

	}



	buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE,

			interrupt ? GFP_ATOMIC : GFP_KERNEL);

	buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC);



	if (!buf) {

		report = hid_get_report(report_enum, data);