| Message ID | 1615187934-39505-1-git-send-email-yang.lee@linux.alibaba.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | ASoC: bcm: add missing call to of_node_put() | expand |
Hi Yang, On 2021-03-07 11:18 p.m., Yang Li wrote: > In one of the error paths of the for_each_child_of_node() loop, > add missing call to of_node_put(). > > Fix the following coccicheck warning: > ./sound/soc/bcm/cygnus-ssp.c:1346:1-33: WARNING: Function > "for_each_available_child_of_node" should have of_node_put() before > return around line 1352. > > Reported-by: Abaci Robot <abaci@linux.alibaba.com> > Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> > --- > sound/soc/bcm/cygnus-ssp.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/sound/soc/bcm/cygnus-ssp.c b/sound/soc/bcm/cygnus-ssp.c > index 6e634b4..aa16a23 100644 > --- a/sound/soc/bcm/cygnus-ssp.c > +++ b/sound/soc/bcm/cygnus-ssp.c > @@ -1348,8 +1348,10 @@ static int cygnus_ssp_probe(struct platform_device *pdev) > &cygnus_ssp_dai[active_port_count]); > > /* negative is err, 0 is active and good, 1 is disabled */ > - if (err < 0) > + if (err < 0) { > + of_node_put(child_node); If such is needed in probe what about the other child_nodes in for_each_child_of_node loop that have already been parsed and succeeded. Do they need additional cleanup as well? > return err; > + } > else if (!err) { > dev_dbg(dev, "Activating DAI: %s\n", > cygnus_ssp_dai[active_port_count].name); >
diff --git a/sound/soc/bcm/cygnus-ssp.c b/sound/soc/bcm/cygnus-ssp.c index 6e634b4..aa16a23 100644 --- a/sound/soc/bcm/cygnus-ssp.c +++ b/sound/soc/bcm/cygnus-ssp.c @@ -1348,8 +1348,10 @@ static int cygnus_ssp_probe(struct platform_device *pdev) &cygnus_ssp_dai[active_port_count]); /* negative is err, 0 is active and good, 1 is disabled */ - if (err < 0) + if (err < 0) { + of_node_put(child_node); return err; + } else if (!err) { dev_dbg(dev, "Activating DAI: %s\n", cygnus_ssp_dai[active_port_count].name);
In one of the error paths of the for_each_child_of_node() loop, add missing call to of_node_put(). Fix the following coccicheck warning: ./sound/soc/bcm/cygnus-ssp.c:1346:1-33: WARNING: Function "for_each_available_child_of_node" should have of_node_put() before return around line 1352. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> --- sound/soc/bcm/cygnus-ssp.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)