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authorDan Robertson <dan@dlrobertson.com>2021-07-09 00:15:38 +0200
committerKent Overstreet <kent.overstreet@linux.dev>2023-10-22 23:09:08 +0200
commitf0412b6e44bba6dc6f36feab560c4d325f9f021e (patch)
treed85d881003ae41a38cb3f1858b0d18b988c03cb4 /fs/bcachefs/chardev.c
parentbcachefs: BTREE_UPDATE_INTERNAL_SNAPSHOT_NODE (diff)
downloadlinux-f0412b6e44bba6dc6f36feab560c4d325f9f021e.tar.xz
linux-f0412b6e44bba6dc6f36feab560c4d325f9f021e.zip
bcachefs: set disk state should check new_state
A new device state that is not a valid state should return -EINVAL in the disk set state ioctl. Signed-off-by: Dan Robertson <dan@dlrobertson.com> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/chardev.c')
-rw-r--r--fs/bcachefs/chardev.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/bcachefs/chardev.c b/fs/bcachefs/chardev.c
index c1d8143b3fd8..aae9a2db8b0d 100644
--- a/fs/bcachefs/chardev.c
+++ b/fs/bcachefs/chardev.c
@@ -275,7 +275,8 @@ static long bch2_ioctl_disk_set_state(struct bch_fs *c,
BCH_FORCE_IF_METADATA_LOST|
BCH_FORCE_IF_DEGRADED|
BCH_BY_INDEX)) ||
- arg.pad[0] || arg.pad[1] || arg.pad[2])
+ arg.pad[0] || arg.pad[1] || arg.pad[2] ||
+ arg.new_state >= BCH_MEMBER_STATE_NR)
return -EINVAL;
ca = bch2_device_lookup(c, arg.dev, arg.flags);