projects
/
firefly-linux-kernel-4.4.55.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
| inline |
side by side
zram: fix unbalanced idr management at hot removal
[firefly-linux-kernel-4.4.55.git]
/
drivers
/
block
/
zram
/
zram_drv.c
diff --git
a/drivers/block/zram/zram_drv.c
b/drivers/block/zram/zram_drv.c
index 370c2f76016d685820689f543ea96c1006230131..1770c455dfdd3125e639524e0b242027c33a68a8 100644
(file)
--- a/
drivers/block/zram/zram_drv.c
+++ b/
drivers/block/zram/zram_drv.c
@@
-1368,7
+1368,8
@@
static ssize_t hot_remove_store(struct class *class,
zram = idr_find(&zram_index_idr, dev_id);
if (zram) {
ret = zram_remove(zram);
- idr_remove(&zram_index_idr, dev_id);
+ if (!ret)
+ idr_remove(&zram_index_idr, dev_id);
} else {
ret = -ENODEV;
}