| Message ID | 20201130133129.1024662-4-djrscally@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add functionality to ipu3-cio2 driver allowing software_node connections to sensors on platforms designed for Windows | expand |
Hi Daniel, Thank you for the patch. On Mon, Nov 30, 2020 at 01:31:14PM +0000, Daniel Scally wrote: > The software_node_get_next_child() function currently does not hold > references to the child software_node that it finds or put the ref that > is held against the old child - fix that. > > Signed-off-by: Daniel Scally <djrscally@gmail.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > --- > Changes since RFC v3: > > Put reference to previous child. > > drivers/base/swnode.c | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > > diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c > index 010828fc785b..615a0c93e116 100644 > --- a/drivers/base/swnode.c > +++ b/drivers/base/swnode.c > @@ -443,14 +443,18 @@ software_node_get_next_child(const struct fwnode_handle *fwnode, > struct swnode *c = to_swnode(child); > > if (!p || list_empty(&p->children) || > - (c && list_is_last(&c->entry, &p->children))) > + (c && list_is_last(&c->entry, &p->children))) { > + fwnode_handle_put(child); > return NULL; > + } > > if (c) > c = list_next_entry(c, entry); > else > c = list_first_entry(&p->children, struct swnode, entry); > - return &c->fwnode; > + > + fwnode_handle_put(child); > + return fwnode_handle_get(&c->fwnode); > } > > static struct fwnode_handle *
On Mon, Nov 30, 2020 at 01:31:14PM +0000, Daniel Scally wrote: > The software_node_get_next_child() function currently does not hold > references to the child software_node that it finds or put the ref that > is held against the old child - fix that. Fixes tag and make it first in the series? In any case, Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> > Signed-off-by: Daniel Scally <djrscally@gmail.com> > --- > Changes since RFC v3: > > Put reference to previous child. > > drivers/base/swnode.c | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > > diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c > index 010828fc785b..615a0c93e116 100644 > --- a/drivers/base/swnode.c > +++ b/drivers/base/swnode.c > @@ -443,14 +443,18 @@ software_node_get_next_child(const struct fwnode_handle *fwnode, > struct swnode *c = to_swnode(child); > > if (!p || list_empty(&p->children) || > - (c && list_is_last(&c->entry, &p->children))) > + (c && list_is_last(&c->entry, &p->children))) { > + fwnode_handle_put(child); > return NULL; > + } > > if (c) > c = list_next_entry(c, entry); > else > c = list_first_entry(&p->children, struct swnode, entry); > - return &c->fwnode; > + > + fwnode_handle_put(child); > + return fwnode_handle_get(&c->fwnode); > } > > static struct fwnode_handle * > -- > 2.25.1 >
diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c index 010828fc785b..615a0c93e116 100644 --- a/drivers/base/swnode.c +++ b/drivers/base/swnode.c @@ -443,14 +443,18 @@ software_node_get_next_child(const struct fwnode_handle *fwnode, struct swnode *c = to_swnode(child); if (!p || list_empty(&p->children) || - (c && list_is_last(&c->entry, &p->children))) + (c && list_is_last(&c->entry, &p->children))) { + fwnode_handle_put(child); return NULL; + } if (c) c = list_next_entry(c, entry); else c = list_first_entry(&p->children, struct swnode, entry); - return &c->fwnode; + + fwnode_handle_put(child); + return fwnode_handle_get(&c->fwnode); } static struct fwnode_handle *
The software_node_get_next_child() function currently does not hold references to the child software_node that it finds or put the ref that is held against the old child - fix that. Signed-off-by: Daniel Scally <djrscally@gmail.com> --- Changes since RFC v3: Put reference to previous child. drivers/base/swnode.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)