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USB: fix bug in sg initialization in usbtest

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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>
This commit is contained in:
Alan Stern
2008-03-27 10:15:22 -04:00
committed by Greg Kroah-Hartman
parent d04863e9e6
commit 4756febb10
1 changed files with 2 additions and 1 deletions
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3
drivers/usb/misc/usbtest.c
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@@ -378,6 +378,7 @@ alloc_sglist (int nents, int max, int vary)
sg = kmalloc (nents * sizeof *sg, GFP_KERNEL); sg = kmalloc (nents * sizeof *sg, GFP_KERNEL);
if (!sg) if (!sg)
return NULL; return NULL;
sg_init_table(sg, nents);
for (i = 0; i < nents; i++) { for (i = 0; i < nents; i++) {
char *buf; char *buf;
@@ -390,7 +391,7 @@ alloc_sglist (int nents, int max, int vary)
} }
/* kmalloc pages are always physically contiguous! */ /* kmalloc pages are always physically contiguous! */
sg_init_one(&sg[i], buf, size); sg_set_buf(&sg[i], buf, size);
switch (pattern) { switch (pattern) {
case 0: case 0: