Ything-RepoMirrors/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-01-24 23:16:46 +00:00
Code Issues Packages Projects Releases Wiki Activity

mfd: altera-sysmgr: Fix device leak on sysmgr regmap lookup

Browse Source 
Make sure to drop the reference taken to the sysmgr platform device when
retrieving its driver data.

Note that holding a reference to a device does not prevent its driver
data from going away.

Fixes: f36e789a1f ("mfd: altera-sysmgr: Add SOCFPGA System Manager")
Cc: stable@vger.kernel.org	# 5.2
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Johan Hovold
2025-09-25 17:02:19 +02:00
committed by Lee Jones
parent d306cbbc34
commit ccb7cd3218
1 changed files with 2 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/mfd/altera-sysmgr.c
View File

@@ -117,6 +117,8 @@ struct regmap *altr_sysmgr_regmap_lookup_by_phandle(struct device_node *np,
sysmgr = dev_get_drvdata(dev);
put_device(dev);
return sysmgr->regmap;
}
EXPORT_SYMBOL_GPL(altr_sysmgr_regmap_lookup_by_phandle);