diff options
author | Jiri Kosina <jkosina@suse.com> | 2025-03-26 13:50:46 +0100 |
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committer | Jiri Kosina <jkosina@suse.com> | 2025-03-26 13:50:46 +0100 |
commit | 770493524e9f623826765eb97c64d699f4752e4f (patch) | |
tree | 304c718009aa32834511d45497adb8acba496088 /kernel/trace/trace.c | |
parent | e4f7cc8c36e7cab391683db682402ab2f185bf92 (diff) | |
parent | fe0fb58325e519008e2606a5aa2cff7ad23e212d (diff) |
Merge branch 'for-6.15/intel-ish' into for-linus
- intel-ish Kbuild cleanup (Jiri Kosina)
Diffstat (limited to 'kernel/trace/trace.c')
-rw-r--r-- | kernel/trace/trace.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 1496a5ac33ae..0e6d517e74e0 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -5977,8 +5977,6 @@ static int __tracing_resize_ring_buffer(struct trace_array *tr, ssize_t tracing_resize_ring_buffer(struct trace_array *tr, unsigned long size, int cpu_id) { - int ret; - guard(mutex)(&trace_types_lock); if (cpu_id != RING_BUFFER_ALL_CPUS) { @@ -5987,11 +5985,7 @@ ssize_t tracing_resize_ring_buffer(struct trace_array *tr, return -EINVAL; } - ret = __tracing_resize_ring_buffer(tr, size, cpu_id); - if (ret < 0) - ret = -ENOMEM; - - return ret; + return __tracing_resize_ring_buffer(tr, size, cpu_id); } static void update_last_data(struct trace_array *tr) @@ -8285,6 +8279,10 @@ static int tracing_buffers_mmap(struct file *filp, struct vm_area_struct *vma) struct trace_iterator *iter = &info->iter; int ret = 0; + /* Currently the boot mapped buffer is not supported for mmap */ + if (iter->tr->flags & TRACE_ARRAY_FL_BOOT) + return -ENODEV; + ret = get_snapshot_map(iter->tr); if (ret) return ret; |