Li Zefan be9742e6cb ksym_tracer: Rewrite ksym_trace_filter_read() ...

Reading ksym_trace_filter gave me some arbitrary characters,
when it should show nothing. It's because buf is not initialized
when there's no filter.

Also reduce stack usage by about 512 bytes.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: "K.Prasad" <prasad@linux.vnet.ibm.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <4A52E2B4.6030706@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

2009-07-10 11:59:40 +02:00

..

blktrace.c

Merge branch 'for-2.6.31' of git://git.kernel.dk/linux-2.6-block

2009-06-11 11:10:35 -07:00

ftrace.c

Merge branch 'tracing-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-06-10 19:58:10 -07:00

Kconfig

Merge branch 'linus' into tracing/hw-breakpoints

2009-06-17 12:56:49 +02:00

kmemtrace.c

tracing/filters: use ring_buffer_discard_commit() in filter_check_discard()

2009-04-14 00:00:56 +02:00

Makefile

Merge branch 'linus' into tracing/hw-breakpoints

2009-06-17 12:56:49 +02:00

ring_buffer_benchmark.c

ring-buffer: check for divide by zero in ring-buffer-benchmark

2009-05-11 13:22:26 -04:00

ring_buffer.c

trace: annotate bitfields in struct ring_buffer_event

2009-06-15 15:49:37 +02:00

trace_boot.c

tracing: use macros to denote usec and nsec per second

2009-04-07 14:43:06 +02:00

trace_branch.c

Merge branch 'linus' into tracing/core

2009-05-07 11:17:34 +02:00

trace_clock.c

…

trace_event_profile.c

tracing/events: fix concurrent access to ftrace_events list

2009-05-06 10:38:19 +02:00

trace_event_types.h

tracing/filters: distinguish between signed and unsigned fields

2009-04-29 14:06:03 +02:00

trace_events_filter.c

tracing/events: introduce __dynamic_array()

2009-06-01 23:25:15 -04:00

trace_events.c

tracing: add protection around module events unload

2009-06-09 17:29:07 -04:00

trace_export.c

tracing/filters: distinguish between signed and unsigned fields

2009-04-29 14:06:03 +02:00

trace_functions_graph.c

Merge branch 'tracing-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-06-10 19:58:10 -07:00

trace_functions.c

…

trace_hw_branches.c

Merge branch 'tracing/hw-branch-tracing' into tracing/core

2009-05-07 13:36:22 +02:00

trace_irqsoff.c

…

trace_ksym.c

ksym_tracer: Rewrite ksym_trace_filter_read()

2009-07-10 11:59:40 +02:00

trace_mmiotrace.c

tracing: use macros to denote usec and nsec per second

2009-04-07 14:43:06 +02:00

trace_nop.c

…

trace_output.c

tracing: add protection around module events unload

2009-06-09 17:29:07 -04:00

trace_output.h

tracing: add protection around module events unload

2009-06-09 17:29:07 -04:00

trace_power.c

Merge branch 'linus' into tracing/core

2009-05-07 11:17:34 +02:00

trace_printk.c

tracing/ftrace: factorize the tracing files creation

2009-04-07 14:43:07 +02:00

trace_sched_switch.c

tracing/events: move trace point headers into include/trace/events

2009-04-14 22:05:43 -04:00

trace_sched_wakeup.c

tracing/wakeup: move access to wakeup_cpu into spinlock

2009-04-23 23:01:36 -04:00

trace_selftest_dynamic.c

…

trace_selftest.c

hw-breakpoints: ftrace plugin for kernel symbol tracing using HW Breakpoint interfaces

2009-06-02 22:47:00 +02:00

trace_stack.c

tracing/trace_stack: fix the number of entries in the header

2009-06-03 10:24:44 -04:00

trace_stat.c

tracing/stat: remove unappropriate safe walk on list

2009-06-02 01:18:33 +02:00

trace_stat.h

tracing: add handler to trace_stat

2009-03-24 23:22:58 -04:00

trace_syscalls.c

tracing/syscalls: use a dedicated file header

2009-04-09 05:43:32 +02:00

trace_sysprof.c

Merge branch 'timers-for-linus-migration' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-06-15 10:06:19 -07:00

trace_workqueue.c

trace_workqueue: remove blank line between each cpu

2009-06-02 01:14:26 +02:00

trace.c

debugfs: Fix terminology inconsistency of dir name to mount debugfs filesystem.

2009-06-15 21:30:28 -07:00

trace.h

ksym_tracer: Extract trace entry from struct trace_ksym

2009-07-10 11:59:40 +02:00