sg_miter_stop(miter);
/* get to the next sg if necessary. __offset is adjusted by stop */
- if (miter->__offset == miter->__sg->length && --miter->__nents) {
- miter->__sg = sg_next(miter->__sg);
- miter->__offset = 0;
+ while (miter->__offset == miter->__sg->length) {
+ if (--miter->__nents) {
+ miter->__sg = sg_next(miter->__sg);
+ miter->__offset = 0;
+ } else
+ return false;
}
/* map the next page */
WARN_ON(!irqs_disabled());
kunmap_atomic(miter->addr, KM_BIO_SRC_IRQ);
} else
- kunmap(miter->addr);
+ kunmap(miter->page);
miter->page = NULL;
miter->addr = NULL;
{
unsigned int offset = 0;
struct sg_mapping_iter miter;
+ unsigned long flags;
sg_miter_start(&miter, sgl, nents, SG_MITER_ATOMIC);
+ local_irq_save(flags);
+
while (sg_miter_next(&miter) && offset < buflen) {
unsigned int len;
sg_miter_stop(&miter);
+ local_irq_restore(flags);
return offset;
}