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authorpaco <paco@voltanet.io>2018-06-27 15:24:45 +0200
committerpaco <paco@voltanet.io>2018-06-27 15:24:45 +0200
commit64268e1a12c0a07293a5db9fc65df4d5f3f926c5 (patch)
treef092cda07f4b384cf6bf95cb20a6da15e37f27cc /lib
parentMerge pull request #2556 from pacovn/Coverity_1465491_Untrusted_value_as_argu... (diff)
downloadfrr-64268e1a12c0a07293a5db9fc65df4d5f3f926c5.tar.xz
frr-64268e1a12c0a07293a5db9fc65df4d5f3f926c5.zip
lib: null check (2) (Coverity 1451361)
Additional correction to fa3016309b33395c02cf10e7e198517c5b81e55a Signed-off-by: F. Aragon <paco@voltanet.io>
Diffstat (limited to 'lib')
-rw-r--r--lib/command_match.c6
-rw-r--r--lib/linklist.h1
2 files changed, 5 insertions, 2 deletions
diff --git a/lib/command_match.c b/lib/command_match.c
index 4893ead04..c165305d7 100644
--- a/lib/command_match.c
+++ b/lib/command_match.c
@@ -608,12 +608,14 @@ static struct cmd_token *disambiguate_tokens(struct cmd_token *first,
static struct list *disambiguate(struct list *first, struct list *second,
vector vline, unsigned int n)
{
+ assert(first != NULL);
+ assert(second != NULL);
// doesn't make sense for these to be inequal length
- assert(first && second);
assert(first->count == second->count);
assert(first->count == vector_active(vline) - n + 1);
- struct listnode *fnode = listhead(first), *snode = listhead(second);
+ struct listnode *fnode = listhead_unchecked(first),
+ *snode = listhead_unchecked(second);
struct cmd_token *ftok = listgetdata(fnode), *stok = listgetdata(snode),
*best = NULL;
diff --git a/lib/linklist.h b/lib/linklist.h
index ea5a3531a..1e2631ea4 100644
--- a/lib/linklist.h
+++ b/lib/linklist.h
@@ -54,6 +54,7 @@ struct list {
#define listnextnode(X) ((X) ? ((X)->next) : NULL)
#define listnextnode_unchecked(X) ((X)->next)
#define listhead(X) ((X) ? ((X)->head) : NULL)
+#define listhead_unchecked(X) ((X)->head)
#define listtail(X) ((X) ? ((X)->tail) : NULL)
#define listcount(X) ((X)->count)
#define list_isempty(X) ((X)->head == NULL && (X)->tail == NULL)