hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I95IFO 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.

Fixes: 9b3a7fd0f5fb ("x86/intel_rdt: Add framework for better RDT UI diagnostics") Signed-off-by: Zeng Heng zengheng4@huawei.com --- arch/arm64/kernel/mpam/mpam_resctrl.c | 2 +- arch/x86/kernel/cpu/intel_rdt_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 60d3d8706a38..5901261d17fc 100644 --- a/arch/arm64/kernel/mpam/mpam_resctrl.c +++ b/arch/arm64/kernel/mpam/mpam_resctrl.c @@ -1749,7 +1749,7 @@ 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/intel_rdt_rdtgroup.c b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c index a2d7e6646cce..686f685c8c7e 100644 --- a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c +++ b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c @@ -743,7 +743,7 @@ 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; }