From: Jim Cromie jim.cromie@gmail.com
[ Upstream commit 9c9d0acbe2793315fa6945a19685ad2a51fb281b ]
ddebug_exec_query declares an auto var, and passes it to ddebug_parse_query, which memsets it before using it. Drop that memset, instead initialize the variable in the caller; let the compiler decide how to do it.
Acked-by: jbaron@akamai.com Signed-off-by: Jim Cromie jim.cromie@gmail.com Link: https://lore.kernel.org/r/20200719231058.1586423-10-jim.cromie@gmail.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- lib/dynamic_debug.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c index 9305ff43fc155..9d389e48a2a5d 100644 --- a/lib/dynamic_debug.c +++ b/lib/dynamic_debug.c @@ -325,7 +325,6 @@ static int ddebug_parse_query(char *words[], int nwords, pr_err("expecting pairs of match-spec <value>\n"); return -EINVAL; } - memset(query, 0, sizeof(*query));
if (modname) /* support $modname.dyndbg=<multiple queries> */ @@ -443,7 +442,7 @@ static int ddebug_parse_flags(const char *str, unsigned int *flagsp, static int ddebug_exec_query(char *query_string, const char *modname) { unsigned int flags = 0, mask = 0; - struct ddebug_query query; + struct ddebug_query query = {}; #define MAXWORDS 9 int nwords, nfound; char *words[MAXWORDS];