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| author | Solomon Peachy <pizza@shaftnet.org> | 2020-10-27 21:57:40 -0400 |
|---|---|---|
| committer | Solomon Peachy <pizza@shaftnet.org> | 2020-10-27 21:57:40 -0400 |
| commit | a5a19a33706a68a225e6df1ca627e654619f3a84 (patch) | |
| tree | 3520ae144af016dcf4ee9b888c937fdd845ef296 /firmware/common | |
| parent | 7dbfda6c55696eb7ba675e8548fe375a21d5d13b (diff) | |
| download | rockbox-a5a19a33706a68a225e6df1ca627e654619f3a84.tar.gz rockbox-a5a19a33706a68a225e6df1ca627e654619f3a84.zip | |
dircache: Fix a NULL pointer dereference
if idx == 0, get_idx_dcvolp() will return NULL.
Change-Id: I4eafa71bb1f77ef8c865570bf8f124cdd9326d3e
Diffstat (limited to 'firmware/common')
| -rw-r--r-- | firmware/common/dircache.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/firmware/common/dircache.c b/firmware/common/dircache.c index 0cdaf1bd4a..589986911c 100644 --- a/firmware/common/dircache.c +++ b/firmware/common/dircache.c @@ -2612,7 +2612,8 @@ static dc_serial_t get_file_serialhash(const struct dircache_file *dcfilep) idx = ce->up; } - h = dc_hash_serialnum(get_idx_dcvolp(idx)->serialnum, h); + if (idx < 0) + h = dc_hash_serialnum(get_idx_dcvolp(idx)->serialnum, h); return h; } |