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s390/hypfs: stop using ENOSYS error code

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ENOSYS should only be returned to userspace when a syscall
is not implemented. The only known user, 'hyptop' is not explicitely
checking for -ENOSYS, therefore use EOPNOTSUPP instead. It is very
unlikely that there are other users, so this change should have no
impact on userspace.

Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Sven Schnelle 2023-07-14 10:42:56 +02:00 committed by Heiko Carstens
parent e7e828ebeb
commit 5216d853cb
1 changed files with 3 additions and 3 deletions
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6
arch/s390/hypfs/hypfs_diag.c
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@ -67,7 +67,7 @@ void *diag204_get_buffer(enum diag204_format fmt, int *pages)
*pages = diag204((unsigned long)DIAG204_SUBC_RSI |
(unsigned long)DIAG204_INFO_EXT, 0, NULL);
if (*pages <= 0)
return ERR_PTR(-ENOSYS);
return ERR_PTR(-EOPNOTSUPP);
}
diag204_buf = __vmalloc_node(array_size(*pages, PAGE_SIZE),
PAGE_SIZE, GFP_KERNEL, NUMA_NO_NODE,
@ -127,7 +127,7 @@ static int diag204_probe(void)
diag204_set_info_type(DIAG204_INFO_SIMPLE);
goto out;
} else {
rc = -ENOSYS;
rc = -EOPNOTSUPP;
goto fail_store;
}
out:
@ -144,7 +144,7 @@ int diag204_store(void *buf, int pages)
rc = diag204((unsigned long)diag204_store_sc |
(unsigned long)diag204_get_info_type(), pages, buf);
return rc < 0 ? -ENOSYS : 0;
return rc < 0 ? -EOPNOTSUPP : 0;
}
struct dbfs_d204_hdr {