Messages in this thread | | | Date | Mon, 8 Jun 2020 16:25:56 +0200 | From | Heiko Carstens <> | Subject | Re: [PATCH -next 0/3] s390: use scnprintf() in show() methods |
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On Sat, May 09, 2020 at 04:56:05PM +0800, Chen Zhou wrote: > snprintf() returns the number of bytes that would be written, > which may be greater than the the actual length to be written. > > show() methods should return the number of bytes printed into the > buffer. This is the return value of scnprintf(). > > Chen Zhou (3): > s390/crypto: use scnprintf() instead of snprintf() > s390: use scnprintf() in sys_##_prefix##_##_name##_show > s390/protvirt: use scnprintf() instead of snprintf() > > arch/s390/crypto/prng.c | 14 +++++++------- > arch/s390/kernel/ipl.c | 2 +- > arch/s390/kernel/uv.c | 8 ++++---- > 3 files changed, 12 insertions(+), 12 deletions(-)
All applied, even though the buffer has a size of 4k in all cases. So this doesn't fix anything; but it doesn't hurt as well.
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