diff options
-rw-r--r-- | lib/scatterlist.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/scatterlist.c b/lib/scatterlist.c index b7b449dafbe5..a295e404e908 100644 --- a/lib/scatterlist.c +++ b/lib/scatterlist.c | |||
@@ -347,9 +347,12 @@ bool sg_miter_next(struct sg_mapping_iter *miter) | |||
347 | sg_miter_stop(miter); | 347 | sg_miter_stop(miter); |
348 | 348 | ||
349 | /* get to the next sg if necessary. __offset is adjusted by stop */ | 349 | /* get to the next sg if necessary. __offset is adjusted by stop */ |
350 | if (miter->__offset == miter->__sg->length && --miter->__nents) { | 350 | while (miter->__offset == miter->__sg->length) { |
351 | miter->__sg = sg_next(miter->__sg); | 351 | if (--miter->__nents) { |
352 | miter->__offset = 0; | 352 | miter->__sg = sg_next(miter->__sg); |
353 | miter->__offset = 0; | ||
354 | } else | ||
355 | return false; | ||
353 | } | 356 | } |
354 | 357 | ||
355 | /* map the next page */ | 358 | /* map the next page */ |