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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2012-02-17 09:45:01 +0300 |
|---|---|---|
| committer | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2012-02-17 07:56:21 +0000 |
| commit | c572c8bbff13591f6c9f249d4413f79ddda21e61 (patch) | |
| tree | baa8c5d1b144adb6a31f2f90d51fb52c43d3f738 | |
| parent | 7b918120489ea004388b7370194222671e657203 (diff) | |
| download | linux-c572c8bbff13591f6c9f249d4413f79ddda21e61.tar.bz2 | |
viafb: NULL dereference on allocation failure in query_edid()
We should handle the allocation here, if only to keep the static
checkers happy.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
| -rw-r--r-- | drivers/video/via/via_aux_edid.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/video/via/via_aux_edid.c b/drivers/video/via/via_aux_edid.c index 03f7a41c8a3f..754d4509033f 100644 --- a/drivers/video/via/via_aux_edid.c +++ b/drivers/video/via/via_aux_edid.c @@ -36,10 +36,13 @@ static void query_edid(struct via_aux_drv *drv) unsigned char edid[EDID_LENGTH]; bool valid = false; - if (spec) + if (spec) { fb_destroy_modedb(spec->modedb); - else + } else { spec = kmalloc(sizeof(*spec), GFP_KERNEL); + if (!spec) + return; + } spec->version = spec->revision = 0; if (via_aux_read(drv, 0x00, edid, EDID_LENGTH)) { |