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dm crypt: fix get_key_size compiler warning if !CONFIG_KEYS

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[ Upstream commit 6fc51504388c1a1a53db8faafe9fff78fccc7c87 ]

Explicitly convert unsigned int in the right of the conditional
expression to int to match the left side operand and the return type,
fixing the following compiler warning:

drivers/md/dm-crypt.c:2593:43: warning: signed and unsigned
type in conditional expression [-Wsign-compare]

Fixes: c538f6ec9f56 ("dm crypt: add ability to use keys from the kernel key retention service")
Signed-off-by: Aashish Sharma <shraash@google.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Aashish Sharma 2022-02-11 12:15:38 +00:00 committed by Greg Kroah-Hartman
parent d4862bea08
commit 5349cde1df
1 changed files with 1 additions and 1 deletions
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drivers/md/dm-crypt.c
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@ -2561,7 +2561,7 @@ static int crypt_set_keyring_key(struct crypt_config *cc, const char *key_string
static int get_key_size(char **key_string)
{
return (*key_string[0] == ':') ? -EINVAL : strlen(*key_string) >> 1;
return (*key_string[0] == ':') ? -EINVAL : (int)(strlen(*key_string) >> 1);
}
#endif /* CONFIG_KEYS */