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[PATCH] md: remove unneeded NULL checks before kfree

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This patch removes some unneeded checks of pointers being NULL before
calling kfree() on them.  kfree() handles NULL pointers just fine, checking
first is pointless.

Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jesper Juhl
2005-06-21 17:17:30 -07:00
committed by Linus Torvalds
parent 8a5e9cf1d6
commit 990a8baf56
7 changed files with 17 additions and 32 deletions
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3
drivers/md/dm-crypt.c
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@ -704,8 +704,7 @@ static void crypt_dtr(struct dm_target *ti)
mempool_destroy(cc->page_pool);
mempool_destroy(cc->io_pool);
if (cc->iv_mode)
kfree(cc->iv_mode);
kfree(cc->iv_mode);
if (cc->iv_gen_ops && cc->iv_gen_ops->dtr)
cc->iv_gen_ops->dtr(cc);
crypto_free_tfm(cc->tfm);