Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
39 lines
816 B
C
39 lines
816 B
C
// SPDX-License-Identifier: GPL-2.0
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#define _GNU_SOURCE
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#define __SANE_USERSPACE_TYPES__
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#include <fcntl.h>
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#include <stdio.h>
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#include <sys/stat.h>
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#include <sys/xattr.h>
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#include "kselftest_harness.h"
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#include "wrappers.h"
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TEST(kernfs_listxattr)
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{
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int fd;
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/* Read-only file that can never have any extended attributes set. */
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fd = open("/sys/kernel/warn_count", O_RDONLY | O_CLOEXEC);
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ASSERT_GE(fd, 0);
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ASSERT_EQ(flistxattr(fd, NULL, 0), 0);
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EXPECT_EQ(close(fd), 0);
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}
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TEST(kernfs_getxattr)
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{
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int fd;
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char buf[1];
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/* Read-only file that can never have any extended attributes set. */
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fd = open("/sys/kernel/warn_count", O_RDONLY | O_CLOEXEC);
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ASSERT_GE(fd, 0);
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ASSERT_LT(fgetxattr(fd, "user.foo", buf, sizeof(buf)), 0);
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ASSERT_EQ(errno, ENODATA);
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EXPECT_EQ(close(fd), 0);
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}
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TEST_HARNESS_MAIN
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