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Date:   Tue, 5 Oct 2021 15:14:56 +0200
From:   Heiko Carstens <>
To:     Roberto Sassu <>
Subject: Re: [PATCH v2] s390: Fix strrchr() implementation

On Tue, Oct 05, 2021 at 02:08:36PM +0200, Roberto Sassu wrote:
> Fix two problems found in the strrchr() implementation for s390
> architectures: evaluate empty strings (return the string address instead of
> NULL, if '\0' is passed as second argument); evaluate the first character
> of non-empty strings (the current implementation stops at the second).
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> Cc:
> Reported-by: Heiko Carstens <> (incorrect behavior with empty strings)
> Signed-off-by: Roberto Sassu <>
> ---
>  arch/s390/lib/string.c | 15 +++++++--------
>  1 file changed, 7 insertions(+), 8 deletions(-)

Applied, thanks!

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