[LTP] [PATCH v1 2/3] setxattr02: Adapt test for kernel 7.0+ socket xattr support

[Jan Polensky <japo@linux.ibm.com>]

Starting with kernel 7.0.0, sockets support extended attributes in the
user.* namespace. This behavior was enabled by dc0876b9846d ("xattr:
support extended attributes on sockets"), which permits user.* xattrs on
S_IFSOCK inodes (previously rejected with -EPERM).

Adapts the test to expect success (exp_err = 0) instead of EPERM when
testing setxattr(2) on sockets with kernel 7.0+.

Signed-off-by: Jan Polensky <japo@linux.ibm.com>
---
 testcases/kernel/syscalls/setxattr/setxattr02.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/testcases/kernel/syscalls/setxattr/setxattr02.c b/testcases/kernel/syscalls/setxattr/setxattr02.c
index 9f5f998da9ba..ac2ad8678d31 100644
--- a/testcases/kernel/syscalls/setxattr/setxattr02.c
+++ b/testcases/kernel/syscalls/setxattr/setxattr02.c
@@ -132,6 +132,10 @@ static void verify_setxattr(unsigned int i)
 	if (TST_RET == -1 && TST_ERR == EOPNOTSUPP)
 		tst_brk(TCONF, "setxattr(2) not supported");
 
+	/* consider newer kernels */
+	if ((tst_kvercmp(7, 0, 0) >= 0) && (strncmp(tc[i].fname, SOCK, strlen(SOCK)) == 0))
+		tc[i].exp_err = 0;
+
 	/* success */
 
 	if (!tc[i].exp_err) {
-- 
2.53.0


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