hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I91UCP CVE: NA

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Set default feedback of last_cmd_status interface as null string, in case misunderstanding the execution result of the previous command.

Signed-off-by: Zeng Heng zengheng4@huawei.com --- arch/arm64/kernel/mpam/mpam_resctrl.c | 2 +- arch/x86/kernel/cpu/resctrl/rdtgroup.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/kernel/mpam/mpam_resctrl.c b/arch/arm64/kernel/mpam/mpam_resctrl.c index 29335b7cdd3b..e890fb6de35e 100644 --- a/arch/arm64/kernel/mpam/mpam_resctrl.c +++ b/arch/arm64/kernel/mpam/mpam_resctrl.c @@ -1717,7 +1717,7 @@ static int resctrl_last_cmd_status_show(struct kernfs_open_file *of, if (len) seq_printf(seq, "%.*s", len, last_cmd_status_buf); else - seq_puts(seq, "ok\n"); + seq_puts(seq, ""); mutex_unlock(&resctrl_group_mutex); return 0; } diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/resctrl/rdtgroup.c index 1e73b6fae3b4..ef84ec9c3019 100644 --- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c +++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c @@ -840,7 +840,7 @@ static int rdt_last_cmd_status_show(struct kernfs_open_file *of, if (len) seq_printf(seq, "%.*s", len, last_cmd_status_buf); else - seq_puts(seq, "ok\n"); + seq_puts(seq, ""); mutex_unlock(&rdtgroup_mutex); return 0; }