Commit 157309a9 authored Dec 06, 2019 by Christian Borntraeger Committed by Vasily Gorbik Dec 11, 2019

s390/uv: use EOPNOTSUPP instead of ENOTSUPP



ENOTSUP is just an internal kernel error and should never reach
userspace. The return value of the share function is not exported to
userspace, but to avoid giving bad examples let us use EOPNOTSUPP:

Suggested-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

parent 0539ad0b

arch/s390/include/asm/uv.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -86,7 +86,7 @@ static inline int share(unsigned long addr, u16 cmd)
		};

		if (!is_prot_virt_guest())
		return -ENOTSUPP;
		return -EOPNOTSUPP;
		/*
		* Sharing is page wise, if we encounter addresses that are
		* not page aligned, we assume something went wrong. If

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