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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-10-13 16:18:36 +1100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-10-13 16:18:36 +1100 |
| commit | 4783f393de3077211c14675a0e57c8a02e9190b0 (patch) | |
| tree | 6c37d8664eb072fd026db3706481d771da4495ca /lib/scatterlist.c | |
| parent | 9f5f9ffe50e90ed73040d2100db8bfc341cee352 (diff) | |
| parent | 5b8544c38e6fde6968645afd46ff681492192b86 (diff) | |
| download | op-kernel-dev-4783f393de3077211c14675a0e57c8a02e9190b0.zip op-kernel-dev-4783f393de3077211c14675a0e57c8a02e9190b0.tar.gz | |
Merge remote branch 'kumar/merge' into next
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 a5ec428..4ceb05d 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; |
