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Go Back   Linux Archive > Redhat > Cluster Development

 
 
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Old 01-06-2012, 02:19 PM
Andrew Price
 
Default gfs2_edit: Check for error value from gfs2_get_bitmap

Spotted by coverity: gfs2_get_bitmap returns -1 on error and it was
being used as an array index in display_block_type.

Signed-off-by: Andrew Price <anprice@redhat.com>
---
gfs2/edit/hexedit.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/gfs2/edit/hexedit.c b/gfs2/edit/hexedit.c
index f58657b..02a4091 100644
--- a/gfs2/edit/hexedit.c
+++ b/gfs2/edit/hexedit.c
@@ -756,6 +756,10 @@ int display_block_type(int from_restore)
print_gfs2(" blk ");
for (b = blknum; b < blknum + 4; b++) {
btype = gfs2_get_bitmap(&sbd, b, rgd);
+ if (btype < 0) {
+ fprintf(stderr, "Failed to retrieve block state from bitmap
");
+ exit(-1);
+ }
print_gfs2("0x%x-%s ", b,
allocdesc[sbd.gfs1][btype]);
}
--
1.7.6.4
 

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