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authorMasami Hiramatsu <mhiramat@kernel.org>2019-02-22 01:16:43 +0900
committerSteven Rostedt (VMware) <rostedt@goodmis.org>2019-03-01 16:18:15 -0500
commit49ef5f45701c3dedc6aa6efee5d03756fea0f99d (patch)
treee9c5bfbe8a6e23d5f280ea26d8eb51bb881ab191
parent6a072128d262d2b98d31626906a96700d1fc11eb (diff)
tracing/kprobes: Use probe_kernel_read instead of probe_mem_read
Use probe_kernel_read() instead of probe_mem_read() because probe_mem_read() is a kind of wrapper for switching memory read function between uprobes and kprobes. Link: http://lkml.kernel.org/r/20190222011643.3e19ade84a3db3e83518648f@kernel.org Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
-rw-r--r--kernel/trace/trace_kprobe.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index 9eaf07f99212..99592c27465e 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -865,7 +865,7 @@ fetch_store_strlen(unsigned long addr)
u8 c;
do {
- ret = probe_mem_read(&c, (u8 *)addr + len, 1);
+ ret = probe_kernel_read(&c, (u8 *)addr + len, 1);
len++;
} while (c && ret == 0 && len < MAX_STRING_SIZE);