`mmc_initialize` might be called from various places and initializing list head of `mmc_devices` can lead to memory leaks.
Signed-off-by: Daniel Kochmański dkochmanski@turtle-solutions.eu CC: Roy Spliet r.spliet@ultimaker.com Cc: Ian Campbell ijc@hellion.org.uk Cc: Hans De Goede hdegoede@redhat.com CC: Pantelis Antoniou panto@antoniou-consulting.com --- drivers/mmc/mmc.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 79e6fee..2959bde 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -1758,6 +1758,11 @@ static void do_preinit(void)
int mmc_initialize(bd_t *bis) { + static int initialized = 0; + if (initialized) /* Avoid initializing mmc multiple times */ + return 0; + initialized = 1; + INIT_LIST_HEAD (&mmc_devices); cur_dev_num = 0;