Hi Alexander, alexander.usyskin@xxxxxxxxx wrote on Sun, 16 Jul 2023 06:29:02 +0000: > > > With this patch applied, when I load up the module, I get the same 3 > > > devices: > > > /dev/mtd0 > > > /dev/mtd0ro > > > /dev/mtdblock0 > > > > > > Upon removal, the below 2 devices still hang around: > > > /dev/mtd0 > > > /dev/mtd0ro > > > Our use-case do not produce mtdblock, maybe there are some imbalances of get/put? > I have somewhere version with pr_debug after every kref_get/put. That may help to catch where > it missed, I hope. I believe mtdblock is the good citizen here. Just disable CONFIG_MTD_BLOCK from your configuration and you will likely observe the same issue, just a bit narrowed, perhaps. Indeed, if you manage to follow all the get/put calls it can help to find an imbalance. Thanks, Miquèl
