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(parent: 46a16a2) | patch
mtd: cfi: cmdset_0002: Do not allow read/write to suspend erase block.
authorJoakim Tjernlund <joakim.tjernlund@infinera.com>
Thu, 1 Mar 2018 13:39:41 +0000 (14:39 +0100)
committerBoris Brezillon <boris.brezillon@bootlin.com>
Tue, 24 Apr 2018 15:42:15 +0000 (17:42 +0200)
commit7b70eb14392a7cf505f9b358d06c33b5af73d1e7
tree0097cafcb7324cf33c0e3cadd9b33ade4e9df6e1tree | snapshot
parent46a16a2283f9e678a4e26829175e0c37a5191860commit | diff
mtd: cfi: cmdset_0002: Do not allow read/write to suspend erase block.

Currently it is possible to read and/or write to suspend EB's.
Writing /dev/mtdX or /dev/mtdblockX from several processes may
break the flash state machine.

Taken from cfi_cmdset_0001 driver.

Signed-off-by: Joakim Tjernlund <joakim.tjernlund@infinera.com>
Cc: <stable@vger.kernel.org>
Reviewed-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
drivers/mtd/chips/cfi_cmdset_0002.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)