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| author | Jani Nikula <jani.nikula@intel.com> | 2019-01-08 10:50:22 +0200 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2019-01-08 10:50:22 +0200 |
| commit | 3eb0930a425b086bdab38156aa4708427479a201 (patch) | |
| tree | ea0bceef5bd1f62e4993f8f2f22a81f9da5f1f09 /kernel/trace/trace_stack.c | |
| parent | 481975ca235e41560178c8492623d8e06013341a (diff) | |
| parent | bfeffd155283772bbe78c6a05dec7c0128ee500c (diff) | |
| download | cachepc-linux-3eb0930a425b086bdab38156aa4708427479a201.tar.gz cachepc-linux-3eb0930a425b086bdab38156aa4708427479a201.zip | |
Merge drm/drm-next into drm-intel-next-queued
Generally catch up with 5.0-rc1, and specifically get the changes:
96d4f267e40f ("Remove 'type' argument from access_ok() function")
0b2c8f8b6b0c ("i915: fix missing user_access_end() in page fault exception case")
594cc251fdd0 ("make 'user_access_begin()' do 'access_ok()'")
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'kernel/trace/trace_stack.c')
| -rw-r--r-- | kernel/trace/trace_stack.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c index 2b0d1ee3241c..eec648a0d673 100644 --- a/kernel/trace/trace_stack.c +++ b/kernel/trace/trace_stack.c @@ -286,7 +286,7 @@ __next(struct seq_file *m, loff_t *pos) { long n = *pos - 1; - if (n > stack_trace_max.nr_entries || stack_dump_trace[n] == ULONG_MAX) + if (n >= stack_trace_max.nr_entries || stack_dump_trace[n] == ULONG_MAX) return NULL; m->private = (void *)n; @@ -448,8 +448,10 @@ static char stack_trace_filter_buf[COMMAND_LINE_SIZE+1] __initdata; static __init int enable_stacktrace(char *str) { - if (strncmp(str, "_filter=", 8) == 0) - strncpy(stack_trace_filter_buf, str+8, COMMAND_LINE_SIZE); + int len; + + if ((len = str_has_prefix(str, "_filter="))) + strncpy(stack_trace_filter_buf, str + len, COMMAND_LINE_SIZE); stack_tracer_enabled = 1; last_stack_tracer_enabled = 1; |