When request_region() on chip->res_mc_indir fails,
chip->res_mc_base should be freed to prevent memleak.
Signed-off-by: Dinghao Liu <dinghao.liu@xxxxxxxxxx>
---
sound/isa/opti9xx/opti92x-ad1848.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/sound/isa/opti9xx/opti92x-ad1848.c b/sound/isa/opti9xx/opti92x-ad1848.c
index 881d3b5711d2..06ba18d1737c 100644
--- a/sound/isa/opti9xx/opti92x-ad1848.c
+++ b/sound/isa/opti9xx/opti92x-ad1848.c
@@ -679,8 +679,11 @@ static int snd_opti9xx_read_check(struct snd_opti9xx *chip)
#else /* OPTi93X */
chip->res_mc_indir = request_region(chip->mc_indir_index, 2,
"OPTi93x MC");
- if (chip->res_mc_indir == NULL)
+ if (chip->res_mc_indir == NULL) {
+ release_and_free_resource(chip->res_mc_base);
+ chip->res_mc_base = NULL;
return -EBUSY;
+ }
spin_lock_irqsave(&chip->lock, flags);
outb(chip->password, chip->mc_base + chip->pwd_reg);
--
2.17.1
