Modify the check of the return from tcmu_get_attribute("hw_block_size")
to fail if the returned value is zero, so as to avoid dividing by it
a few lines later.
Signed-off-by: David Butterfield <dab21774@xxxxxxxxx>
---
rbd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/rbd.c b/rbd.c
index 852338d..c8019b5 100644
--- a/rbd.c
+++ b/rbd.c
@@ -411,7 +411,7 @@ static int tcmu_rbd_open(struct tcmu_device *dev)
config += 1; /* get past '/' */
block_size = tcmu_get_attribute(dev, "hw_block_size");
- if (block_size < 0) {
+ if (block_size <= 0) {
tcmu_dev_err(dev, "Could not get hw_block_size\n");
ret = -EINVAL;
goto free_state;
--
2.12.2.575.gb14f27f
--
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