Messages in this thread | | | Date | Tue, 5 Oct 2021 15:36:37 +0200 | From | Heiko Carstens <> | Subject | Re: [PATCH v2] s390: Fix strrchr() implementation |
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On Tue, Oct 05, 2021 at 01:30:45PM +0000, Roberto Sassu wrote: > > From: Juergen Gross [mailto:jgross@suse.com] > > Sent: Tuesday, October 5, 2021 3:25 PM > > On 05.10.21 15:14, Heiko Carstens wrote: > > > 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: stable@vger.kernel.org > > >> Reported-by: Heiko Carstens <hca@linux.ibm.com> (incorrect behavior with > > empty strings) > > >> Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com> > > >> --- > > >> arch/s390/lib/string.c | 15 +++++++-------- > > >> 1 file changed, 7 insertions(+), 8 deletions(-) > > > > > > Applied, thanks! > > > > > > > Really? I just wanted to write a response: len is unsigned (size_t) > > and compared to be >= 0, which sounds like always true. > > Thanks for catching this. Will fix it.
I'll fix it. No need to resend.
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