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Staging: skein: Remove NULL comparison 

Problem found using checkpatch.pl
CHECK: Comparison to NULL could be written "key"

Signed-off-by: Aybuke Ozdemir <aybuke.147@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Aybuke Ozdemir 2015-10-13 23:55:07 +03:00 committed by Greg Kroah-Hartman
parent 05489e82f5
commit 26368fd704
1 changed files with 3 additions and 3 deletions
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6
drivers/staging/skein/skein_base.c
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@ -88,7 +88,7 @@ int skein_256_init_ext(struct skein_256_ctx *ctx, size_t hash_bit_len,
} cfg; /* config block */
skein_assert_ret(hash_bit_len > 0, SKEIN_BAD_HASHLEN);
skein_assert_ret(key_bytes == 0 || key != NULL, SKEIN_FAIL);
skein_assert_ret(key_bytes == 0 || key, SKEIN_FAIL);
/* compute the initial chaining values ctx->x[], based on key */
if (key_bytes == 0) { /* is there a key? */
@ -316,7 +316,7 @@ int skein_512_init_ext(struct skein_512_ctx *ctx, size_t hash_bit_len,
} cfg; /* config block */
skein_assert_ret(hash_bit_len > 0, SKEIN_BAD_HASHLEN);
skein_assert_ret(key_bytes == 0 || key != NULL, SKEIN_FAIL);
skein_assert_ret(key_bytes == 0 || key, SKEIN_FAIL);
/* compute the initial chaining values ctx->x[], based on key */
if (key_bytes == 0) { /* is there a key? */
@ -537,7 +537,7 @@ int skein_1024_init_ext(struct skein_1024_ctx *ctx, size_t hash_bit_len,
} cfg; /* config block */
skein_assert_ret(hash_bit_len > 0, SKEIN_BAD_HASHLEN);
skein_assert_ret(key_bytes == 0 || key != NULL, SKEIN_FAIL);
skein_assert_ret(key_bytes == 0 || key, SKEIN_FAIL);
/* compute the initial chaining values ctx->x[], based on key */
if (key_bytes == 0) { /* is there a key? */