On Tue, Jun 15, 2021 at 01:21:11PM -0700, Siddharth Gupta wrote: > > On 6/15/2021 12:06 PM, Greg KH wrote: > > On Tue, Jun 15, 2021 at 12:03:44PM -0700, Siddharth Gupta wrote: > > > When a failure occurs in rproc_add() it returns an error, but does > > > not cleanup after itself. This change adds the failure path in such > > > cases. > > > > > > Signed-off-by: Siddharth Gupta <sidgup@xxxxxxxxxxxxxx> > > > Cc: stable@xxxxxxxxxxxxxxx > > > --- > > > drivers/remoteproc/remoteproc_core.c | 15 ++++++++++++--- > > > 1 file changed, 12 insertions(+), 3 deletions(-) > > Why is this needed for stable kernels? And again, a Fixes: tag? > Patch 2 and patch 3 are leading up to fix rproc_add() > in case of a failure. This means we'll have errors with > use after free unless we call device_del() or cdev_del(), > also the sysfs and devtempfs nodes will also not be > removed. Then please explain that better in the changelogs. At it is, no one knows this. greg k-h