diff options
| author | Gary S. Robertson <gary.robertson@linaro.org> | 2015-10-21 01:30:35 -0500 |
|---|---|---|
| committer | Gary S. Robertson <gary.robertson@linaro.org> | 2015-10-21 01:30:35 -0500 |
| commit | 701f68f192e35dfc22c6a456c8a60fb4e9ff7d02 (patch) | |
| tree | 609e21a8d27831ce88bb5ba717c5a6614606c7f5 /drivers/base | |
| parent | b00df57e50e087151f4ca976ca2796ea105f68c1 (diff) | |
| parent | f249a14dd1b6b341e7b5e29b64c0edae6e13b7f5 (diff) | |
Merge tag 'lsk-v4.1-15.09' of http://git.linaro.org/kernel/linux-linaro-stable into linux-linaro-lng-v4.1linux-lng-4.1.7-2015.10
LSK 15.09 v4.1
Signed-off-by: Gary S. Robertson <gary.robertson@linaro.org>
Conflicts:
linaro/configs/distribution.conf
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/regmap/regcache-rbtree.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c index 81751a49d8bf..56486d92c4e7 100644 --- a/drivers/base/regmap/regcache-rbtree.c +++ b/drivers/base/regmap/regcache-rbtree.c @@ -296,11 +296,20 @@ static int regcache_rbtree_insert_to_block(struct regmap *map, if (!blk) return -ENOMEM; - present = krealloc(rbnode->cache_present, - BITS_TO_LONGS(blklen) * sizeof(*present), GFP_KERNEL); - if (!present) { - kfree(blk); - return -ENOMEM; + if (BITS_TO_LONGS(blklen) > BITS_TO_LONGS(rbnode->blklen)) { + present = krealloc(rbnode->cache_present, + BITS_TO_LONGS(blklen) * sizeof(*present), + GFP_KERNEL); + if (!present) { + kfree(blk); + return -ENOMEM; + } + + memset(present + BITS_TO_LONGS(rbnode->blklen), 0, + (BITS_TO_LONGS(blklen) - BITS_TO_LONGS(rbnode->blklen)) + * sizeof(*present)); + } else { + present = rbnode->cache_present; } /* insert the register value in the correct place in the rbnode block */ |