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authorMarcel Ziswiler <marcel.ziswiler@toradex.com>2019-03-28 11:16:26 +0100
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2019-03-28 11:16:26 +0100
commit6f01eb5bf8e8110ab5f3a8e7b0f3abf19a205e4b (patch)
tree4b3147335ed97e4b487fd84bcb7a959a38d9656e /drivers/block/swim3.c
parent8f234193b8cc35c44614e4a4b05f2d920ff562e4 (diff)
parent6b50202a4d53bf527c640467bcff68b50a5e38a2 (diff)
Merge tag 'v4.4.177' into toradex_vf_4.4-nextColibri-VF_LXDE-Image_2.8b6.183-20190331
This is the 4.4.177 stable release
Diffstat (limited to 'drivers/block/swim3.c')
-rw-r--r--drivers/block/swim3.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c
index c264f2d284a7..2e0a9e2531cb 100644
--- a/drivers/block/swim3.c
+++ b/drivers/block/swim3.c
@@ -1027,7 +1027,11 @@ static void floppy_release(struct gendisk *disk, fmode_t mode)
struct swim3 __iomem *sw = fs->swim3;
mutex_lock(&swim3_mutex);
- if (fs->ref_count > 0 && --fs->ref_count == 0) {
+ if (fs->ref_count > 0)
+ --fs->ref_count;
+ else if (fs->ref_count == -1)
+ fs->ref_count = 0;
+ if (fs->ref_count == 0) {
swim3_action(fs, MOTOR_OFF);
out_8(&sw->control_bic, 0xff);
swim3_select(fs, RELAX);