From: David van Moolenbroek <david@minix3.org>
Date: Fri, 27 Jul 2012 14:46:05 +0000 (+0000)
Subject: ahci: resolve Coverity warnings
X-Git-Tag: v3.2.1~427
X-Git-Url: http://zhaoyanbai.com/repos/named-checkzone.html?a=commitdiff_plain;h=d75ef5a05c8033f3d8183c16b3a53dd859bc6d49;p=minix.git

ahci: resolve Coverity warnings
---

diff --git a/drivers/ahci/ahci.c b/drivers/ahci/ahci.c
index b5ef43010..c0822b7cb 100644
--- a/drivers/ahci/ahci.c
+++ b/drivers/ahci/ahci.c
@@ -242,7 +242,7 @@ static int atapi_exec(struct port_state *ps, int cmd,
 	/* Execute an ATAPI command. Return OK or error.
 	 */
 	cmd_fis_t fis;
-	prd_t prd;
+	prd_t prd[1];
 	int nr_prds = 0;
 
 	assert(size <= AHCI_TMP_SIZE);
@@ -258,13 +258,13 @@ static int atapi_exec(struct port_state *ps, int cmd,
 		if (!write && (ps->flags & FLAG_USE_DMADIR))
 			fis.cf_feat |= ATA_FEAT_PACKET_DMADIR;
 
-		prd.vp_addr = ps->tmp_phys;
-		prd.vp_size = size;
+		prd[0].vp_addr = ps->tmp_phys;
+		prd[0].vp_size = size;
 		nr_prds++;
 	}
 
 	/* Start the command, and wait for it to complete or fail. */
-	port_set_cmd(ps, cmd, &fis, packet, &prd, nr_prds, write);
+	port_set_cmd(ps, cmd, &fis, packet, prd, nr_prds, write);
 
 	return port_exec(ps, cmd, ahci_command_timeout);
 }
@@ -2196,7 +2196,7 @@ static void ahci_set_mapping(void)
 	/* See if the user specified a custom mapping. Unlike all other
 	 * configuration options, this is a per-instance setting.
 	 */
-	strcpy(key, "ahci0_map");
+	strlcpy(key, "ahci0_map", sizeof(key));
 	key[4] += ahci_instance;
 
 	if (env_get_param(key, val, sizeof(val)) == OK) {