nfsd: nfsd should drop CAP_MKNOD for non-root

[safe/jmp/linux-2.6] / lib / scatterlist.c

diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index 876ba6d..b7b449d 100644 (file)
--- a/lib/scatterlist.c
+++ b/lib/scatterlist.c
@@ -395,7 +395,7 @@ void sg_miter_stop(struct sg_mapping_iter *miter)
                        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;
@@ -422,9 +422,12 @@ static size_t sg_copy_buffer(struct scatterlist *sgl, unsigned int nents,
 {
        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;
 
@@ -442,6 +445,7 @@ static size_t sg_copy_buffer(struct scatterlist *sgl, unsigned int nents,
 
        sg_miter_stop(&miter);
 
+       local_irq_restore(flags);
        return offset;
 }