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authorKangjie Lu <kjlu@umn.edu>2019-03-14 22:58:29 -0500
committerTakashi Iwai <tiwai@suse.de>2019-03-16 10:29:02 +0100
commit6ade657d6125ec3ec07f95fa51e28138aef6208f (patch)
tree563848112b08ad5b76c4f70b46cc3fe9af1ad936 /sound/isa/sb
parentda484d00f020af3dd7cfcc6c4b69a7f856832883 (diff)
downloadlinux-stericsson-6ade657d6125ec3ec07f95fa51e28138aef6208f.tar.gz
ALSA: echoaudio: add a check for ioremap_nocache
In case ioremap_nocache fails, the fix releases chip and returns an error code upstream to avoid NULL pointer dereference. Signed-off-by: Kangjie Lu <kjlu@umn.edu> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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