cansniffer: fix snifftab CAN-ID query

hartkopp · hartkopp · commit 6a14256323f6 · 2020-12-02T13:26:42.000+01:00
Due to a wrong test to check for existing CAN-IDs in the snifftab
it was not possible to have the CAN-ID '0' in the list and displayed.

Signed-off-by: Oliver Hartkopp &lt;socketcan@hartkopp.net&gt;
diff --git a/cansniffer.c b/cansniffer.c
@@ -844,7 +844,7 @@ int sniftab_index(canid_t id)
 {
 	int i;
 
-	for (i = 0; i <= idx; i++)
+	for (i = 0; i < idx; i++)
 		if (id == sniftab[i].current.can_id)
 			return i;
 

Original file line number	Diff line number	Diff line change
`@@ -844,7 +844,7 @@ int sniftab_index(canid_t id)`
`844`	`844`	`{`
`845`	`845`	`int i;`
`846`	`846`
`847`		`- for (i = 0; i <= idx; i++)`
	`847`	`+ for (i = 0; i < idx; i++)`
`848`	`848`	`if (id == sniftab[i].current.can_id)`
`849`	`849`	`return i;`
`850`	`850`