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-rw-r--r--linux/dev/glue/block.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/linux/dev/glue/block.c b/linux/dev/glue/block.c
index 745e93a..011b6f5 100644
--- a/linux/dev/glue/block.c
+++ b/linux/dev/glue/block.c
@@ -589,8 +589,8 @@ rdwr_full (int rw, kdev_t dev, loff_t *off, char **buf, int *resid, int bshift)
set_bit (BH_Lock, &bh->b_state);
if (rw == WRITE)
set_bit (BH_Dirty, &bh->b_state);
- cc = PAGE_SIZE - (((int) *buf) & PAGE_MASK);
- if (cc >= BSIZE && ((int) *buf & 511) == 0)
+ cc = PAGE_SIZE - (((int) *buf + (nb << bshift)) & PAGE_MASK);
+ if (cc >= BSIZE && (((int) *buf + (nb << bshift)) & 511) == 0)
cc &= ~BMASK;
else
{