summaryrefslogtreecommitdiff
path: root/src/lib/bitmap.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/lib/bitmap.c')
-rw-r--r--src/lib/bitmap.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/lib/bitmap.c b/src/lib/bitmap.c
index 0e3c968f..e84145b2 100644
--- a/src/lib/bitmap.c
+++ b/src/lib/bitmap.c
@@ -112,7 +112,7 @@ struct bmp * bmp_create(size_t bits, ssize_t offset)
return NULL;
tmp->bitmap = malloc(BITS_TO_LONGS(bits) * sizeof(unsigned long));
- if (!tmp->bitmap) {
+ if (tmp->bitmap == NULL) {
free(tmp);
return NULL;
}
@@ -142,6 +142,9 @@ int bmp_destroy(struct bmp * b)
static ssize_t bad_id(struct bmp * b)
{
+ if (b == NULL)
+ return -1;
+
return b->offset - 1;
}
@@ -177,7 +180,7 @@ static bool is_id_valid(struct bmp * b,
bool bmp_is_id_valid(struct bmp * b,
ssize_t id)
{
- if (!b)
+ if (b == NULL)
return false;
return is_id_valid(b, id);
@@ -188,7 +191,7 @@ int bmp_release(struct bmp * b,
{
ssize_t rid;
- if (!b)
+ if (b == NULL)
return -1;
if (!is_id_valid(b, id))