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>
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@ -378,6 +378,7 @@ alloc_sglist (int nents, int max, int vary)
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sg = kmalloc (nents * sizeof *sg, GFP_KERNEL);
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sg = kmalloc (nents * sizeof *sg, GFP_KERNEL);
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if (!sg)
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if (!sg)
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return NULL;
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return NULL;
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sg_init_table(sg, nents);
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for (i = 0; i < nents; i++) {
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for (i = 0; i < nents; i++) {
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char *buf;
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char *buf;
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@ -390,7 +391,7 @@ alloc_sglist (int nents, int max, int vary)
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}
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}
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/* kmalloc pages are always physically contiguous! */
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/* kmalloc pages are always physically contiguous! */
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sg_init_one(&sg[i], buf, size);
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sg_set_buf(&sg[i], buf, size);
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switch (pattern) {
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switch (pattern) {
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case 0:
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case 0:
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