The spec->modedb can be NULL by fb_create_modedb().
And also smatch says:
drivers/video/fbdev/core/fbmon.c:975 fb_edid_to_monspecs() error:
potential null dereference 'specs->modedb'.
(fb_create_modedb returns null)
Signed-off-by: Daeseok Youn <daeseok.y...@gmail.com>
---
drivers/video/fbdev/core/fbmon.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/video/fbdev/core/fbmon.c b/drivers/video/fbdev/core/fbmon.c
index c204ebe..db274ca 100644
--- a/drivers/video/fbdev/core/fbmon.c
+++ b/drivers/video/fbdev/core/fbmon.c
@@ -966,6 +966,9 @@ void fb_edid_to_monspecs(unsigned char *edid, struct
fb_monspecs *specs)
specs->modedb = fb_create_modedb(edid, &specs->modedb_len);
+ if (!specs->modedb)
+ return;
+
/*
* Workaround for buggy EDIDs that sets that the first
* detailed timing is preferred but has not detailed
--
1.7.4.4
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