[alsa-devel] [PATCH 5/5] UCM: snd_use_case_get: Don't segfault when no current verb

get_value, called by snd_use_case_get, uses uc_mgr->active_verb without checking there is one, and hence can segfault. Fix this.

Signed-off-by: Stephen Warren swarren@nvidia.com --- src/ucm/main.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/src/ucm/main.c b/src/ucm/main.c index db71f03..13ea1ed 100644 --- a/src/ucm/main.c +++ b/src/ucm/main.c @@ -1180,6 +1180,9 @@ static int get_value(snd_use_case_mgr_t *uc_mgr, struct use_case_device *dev; int err;

+ if (!uc_mgr->active_verb) + return -ENOENT; + if (item != NULL) { mod = find_modifier(uc_mgr, uc_mgr->active_verb, item, 0); if (mod != NULL) {