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dyndbg: prefer declarative init in caller, to memset in callee 

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>
This commit is contained in:
Jim Cromie 2020-07-19 17:10:49 -06:00 committed by Greg Kroah-Hartman
parent 0b8f96be9b
commit 9c9d0acbe2
1 changed files with 1 additions and 2 deletions
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3
lib/dynamic_debug.c
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@ -330,7 +330,6 @@ 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> */
@ -448,7 +447,7 @@ 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];