i2p/haiku-beta6
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ntfs: Fix PVS V595

Browse Source 
Check pointers against NULL befor using them.

Change-Id: I84fc7d60179fff46f78302e212bbcf7e5105126b
Reviewed-on: https://review.haiku-os.org/c/haiku/+/2223
Reviewed-by: Jérôme Duval <[email protected]>
This commit is contained in:
Murai Takashi
2020-02-06 17:07:53 +00:00
committed by Jérôme Duval
parent ffd6c2f4bd
commit b8476a30d7
1 changed files with 12 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/add-ons/kernel/file_systems/ntfs/volume_util.c
+12 -7
View File
@@ -64,17 +64,22 @@ static uint8 ntfs_count_bits(unsigned char byte, unsigned char shift)
int ntfs_calc_free_space(nspace *_ns)
{
nspace *ns = (nspace*)_ns;
ntfs_volume *vol = ns->ntvol;
ntfs_attr *data = vol->lcnbmp_na;
ntfs_volume *vol;
ntfs_attr *data;
s64 free_clusters = 0;
off_t pos = 0;
size_t readed;
unsigned char *buf = NULL;
if (ns == NULL || vol == NULL || data == NULL)
unsigned char *buf;
if (ns == NULL)
return -1;
if (vol->lcnbmp_na == NULL)
vol = ns->ntvol;
if (vol == NULL)
return -1;
data = vol->lcnbmp_na;
if (data == NULL)
return -1;
if (!(ns->state & NF_FreeClustersOutdate))