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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>
Alan Stern 17 年之前
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共有 1 个文件被更改,包括 2 次插入1 次删除
  1. 2 1
      drivers/usb/misc/usbtest.c

+ 2 - 1
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: