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authorJames Morris <james.morris@microsoft.com>2019-01-10 11:41:59 -0800
committerJames Morris <james.morris@microsoft.com>2019-01-10 11:41:59 -0800
commit49e41801b335f64610bbfd23e8f2bbaf34d46276 (patch)
tree4fbedacd1de1bbd4054f07f93031aebcb7b7a919 /kernel/trace/trace_stack.c
parentsecurity: integrity: partial revert of make ima_main explicitly non-modular (diff)
parentLinux 5.0-rc1 (diff)
downloadwireguard-linux-49e41801b335f64610bbfd23e8f2bbaf34d46276.tar.xz
wireguard-linux-49e41801b335f64610bbfd23e8f2bbaf34d46276.zip
Merge tag 'v5.0-rc1' into next-general
Linux 5.0-rc1 Sync to pick up LSM stacking work (which is based on -rc1).
Diffstat (limited to '')
-rw-r--r--kernel/trace/trace_stack.c8
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;