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| author | Takashi Iwai <tiwai@suse.de> | 2010-09-16 07:33:21 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-09-16 07:33:21 +0200 |
| commit | c91925db4925ba0d145478f02c093369196936e9 (patch) | |
| tree | 0e5da4211de3c18b65337c3094ec15994cf2534a /lib/scatterlist.c | |
| parent | 977ddd6b2e63716cfefe669bbdb30ec0bcea1fe4 (diff) | |
| parent | 3894335876a6257ac46e14845bd37ae6fb0f7c87 (diff) | |
| download | linux-c91925db4925ba0d145478f02c093369196936e9.tar.gz linux-c91925db4925ba0d145478f02c093369196936e9.tar.bz2 linux-c91925db4925ba0d145478f02c093369196936e9.zip | |
Merge branch 'fix/hda' into topic/hda
Diffstat (limited to 'lib/scatterlist.c')
| -rw-r--r-- | lib/scatterlist.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/lib/scatterlist.c b/lib/scatterlist.c index a5ec42868f99..4ceb05d772ae 100644 --- a/lib/scatterlist.c +++ b/lib/scatterlist.c @@ -248,8 +248,18 @@ int __sg_alloc_table(struct sg_table *table, unsigned int nents, left -= sg_size; sg = alloc_fn(alloc_size, gfp_mask); - if (unlikely(!sg)) - return -ENOMEM; + if (unlikely(!sg)) { + /* + * Adjust entry count to reflect that the last + * entry of the previous table won't be used for + * linkage. Without this, sg_kfree() may get + * confused. + */ + if (prv) + table->nents = ++table->orig_nents; + + return -ENOMEM; + } sg_init_table(sg, alloc_size); table->nents = table->orig_nents += sg_size; |