scsi: merge print_opcode_name()

Instead of having two versions of print_opcode_name() we
should be consolidating them into one version.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Robert Elliott <elliott@hp.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

diff --git a/drivers/scsi/constants.c b/drivers/scsi/constants.c
index 6d2f316..3707d8a 100644 (file)
--- a/drivers/scsi/constants.c
+++ b/drivers/scsi/constants.c
@@ -30,6 +30,16 @@
 #define THIRD_PARTY_COPY_IN 0x84
 
 
+struct sa_name_list {
+       int opcode;
+       const struct value_name_pair *arr;
+       int arr_sz;
+};
+
+struct value_name_pair {
+       int value;
+       const char * name;
+};
 
 #ifdef CONFIG_SCSI_CONSTANTS
 static const char * cdb_byte0_names[] = {
@@ -102,11 +112,6 @@ static const char * cdb_byte0_names[] = {
             "Volume set (out), Send DVD structure",
 };
 
-struct value_name_pair {
-       int value;
-       const char * name;
-};
-
 static const struct value_name_pair maint_in_arr[] = {
        {0x5, "Report identifying information"},
        {0xa, "Report target port groups"},
@@ -244,12 +249,6 @@ static const struct value_name_pair variable_length_arr[] = {
 };
 #define VARIABLE_LENGTH_SZ ARRAY_SIZE(variable_length_arr)
 
-struct sa_name_list {
-       int opcode;
-       const struct value_name_pair *arr;
-       int arr_sz;
-};
-
 static struct sa_name_list sa_names_arr[] = {
        {VARIABLE_LENGTH_CMD, variable_length_arr, VARIABLE_LENGTH_SZ},
        {MAINTENANCE_IN, maint_in_arr, MAINT_IN_SZ},
@@ -266,6 +265,26 @@ static struct sa_name_list sa_names_arr[] = {
        {0, NULL, 0},
 };
 
+#else /* ifndef CONFIG_SCSI_CONSTANTS */
+static const char *cdb_byte0_names[];
+
+static struct sa_name_list sa_names_arr[] = {
+       {VARIABLE_LENGTH_CMD, NULL, 0},
+       {MAINTENANCE_IN, NULL, 0},
+       {MAINTENANCE_OUT, NULL, 0},
+       {PERSISTENT_RESERVE_IN, NULL, 0},
+       {PERSISTENT_RESERVE_OUT, NULL, 0},
+       {SERVICE_ACTION_IN_12, NULL, 0},
+       {SERVICE_ACTION_OUT_12, NULL, 0},
+       {SERVICE_ACTION_BIDIRECTIONAL, NULL, 0},
+       {SERVICE_ACTION_IN_16, NULL, 0},
+       {SERVICE_ACTION_OUT_16, NULL, 0},
+       {THIRD_PARTY_COPY_IN, NULL, 0},
+       {THIRD_PARTY_COPY_OUT, NULL, 0},
+       {0, NULL, 0},
+};
+#endif /* CONFIG_SCSI_CONSTANTS */
+
 static bool scsi_opcode_sa_name(int opcode, int service_action,
                                const char **sa_name)
 {
@@ -315,11 +334,14 @@ static void print_opcode_name(unsigned char * cdbp, int cdb_len)
 
        if (!scsi_opcode_sa_name(cdb0, sa, &name)) {
                if (cdb0 < 0xc0) {
-                       name = cdb_byte0_names[cdb0];
-                       if (name)
-                               printk("%s", name);
-                       else
-                               printk("cdb[0]=0x%x (reserved)", cdb0);
+                       if (ARRAY_SIZE(cdb_byte0_names) > 1) {
+                               name = cdb_byte0_names[cdb0];
+                               if (name)
+                                       printk("%s", name);
+                               else
+                                       printk("cdb[0]=0x%x (reserved)", cdb0);
+                       } else
+                               printk("cdb[0]=0x%x", cdb0);
                } else
                        printk("cdb[0]=0x%x (vendor)", cdb0);
        } else {
@@ -333,50 +355,6 @@ static void print_opcode_name(unsigned char * cdbp, int cdb_len)
        }
 }
 
-#else /* ifndef CONFIG_SCSI_CONSTANTS */
-
-static void print_opcode_name(unsigned char * cdbp, int cdb_len)
-{
-       int sa, len, cdb0;
-
-       cdb0 = cdbp[0];
-       switch(cdb0) {
-       case VARIABLE_LENGTH_CMD:
-               len = scsi_varlen_cdb_length(cdbp);
-               if (len < 10) {
-                       printk("short opcode=0x%x command, len=%d "
-                              "ext_len=%d", cdb0, len, cdb_len);
-                       break;
-               }
-               sa = (cdbp[8] << 8) + cdbp[9];
-               printk("cdb[0]=0x%x, sa=0x%x", cdb0, sa);
-               if (len != cdb_len)
-                       printk(", in_cdb_len=%d, ext_len=%d", len, cdb_len);
-               break;
-       case MAINTENANCE_IN:
-       case MAINTENANCE_OUT:
-       case PERSISTENT_RESERVE_IN:
-       case PERSISTENT_RESERVE_OUT:
-       case SERVICE_ACTION_IN_12:
-       case SERVICE_ACTION_OUT_12:
-       case SERVICE_ACTION_BIDIRECTIONAL:
-       case SERVICE_ACTION_IN_16:
-       case SERVICE_ACTION_OUT_16:
-       case THIRD_PARTY_COPY_IN:
-       case THIRD_PARTY_COPY_OUT:
-               sa = cdbp[1] & 0x1f;
-               printk("cdb[0]=0x%x, sa=0x%x", cdb0, sa);
-               break;
-       default:
-               if (cdb0 < 0xc0)
-                       printk("cdb[0]=0x%x", cdb0);
-               else
-                       printk("cdb[0]=0x%x (vendor)", cdb0);
-               break;
-       }
-}
-#endif
-
 void __scsi_print_command(unsigned char *cdb)
 {
        int k, len;