Dan Carpenter
c47ca32d3a
Btrfs: kfree()ing ERR_PTRs
...
The "inherit" in btrfs_ioctl_snap_create_v2() and "vol_args" in
btrfs_ioctl_rm_dev() are ERR_PTRs so we can't call kfree() on them.
These kind of bugs are "One Err Bugs" where there is just one error
label that does everything. I could set the "inherit = NULL" and keep
the single out label but it ends up being more complicated that way. It
makes the code simpler to re-order the unwind so it's in the mirror
order of the allocation and introduce some new error labels.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Chris Mason <clm@fb.com>
2014-09-08 13:56:42 -07:00
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