From: Alan Stern <stern@rowland.harvard.edu>
Date: Thu, 27 Mar 2008 14:15:22 +0000 (-0400)
Subject: USB: fix bug in sg initialization in usbtest
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4756febb10d96104e08661031ba835771075419c;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

USB: fix bug in sg initialization in usbtest

This patch (as1062) fixes a bug in the scatter-gather initialization
code in the usbtest driver.  When the sg-helper conversion was
performed, it wasn't done correctly.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
index da922dfc0dcc..b6b5b2affad1 100644
--- a/drivers/usb/misc/usbtest.c
+++ b/drivers/usb/misc/usbtest.c
@@ -378,6 +378,7 @@ alloc_sglist (int nents, int max, int vary)
 	sg = kmalloc (nents * sizeof *sg, GFP_KERNEL);
 	if (!sg)
 		return NULL;
+	sg_init_table(sg, nents);
 
 	for (i = 0; i < nents; i++) {
 		char		*buf;
@@ -390,7 +391,7 @@ alloc_sglist (int nents, int max, int vary)
 		}
 
 		/* kmalloc pages are always physically contiguous! */
-		sg_init_one(&sg[i], buf, size);
+		sg_set_buf(&sg[i], buf, size);
 
 		switch (pattern) {
 		case 0: