iscsi-target: return -ENOMEM instead of -1 in case of failed kmalloc()

Smatch complains about returning hard coded error codes, silence this
warning.

drivers/target/iscsi/iscsi_target_parameters.c:211
   iscsi_create_default_params() warn: returning -1 instead of -ENOMEM is sloppy

Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c
index 51d1734..2cbea2a 100644 (file)
--- a/drivers/target/iscsi/iscsi_target_parameters.c
+++ b/drivers/target/iscsi/iscsi_target_parameters.c
@@ -208,7 +208,7 @@ int iscsi_create_default_params(struct iscsi_param_list **param_list_ptr)
        if (!pl) {
                pr_err("Unable to allocate memory for"
                                " struct iscsi_param_list.\n");
-               return -1 ;
+               return -ENOMEM;
        }
        INIT_LIST_HEAD(&pl->param_list);
        INIT_LIST_HEAD(&pl->extra_response_list);
@@ -578,7 +578,7 @@ int iscsi_copy_param_list(
        param_list = kzalloc(sizeof(struct iscsi_param_list), GFP_KERNEL);
        if (!param_list) {
                pr_err("Unable to allocate memory for struct iscsi_param_list.\n");
-               return -1;
+               return -ENOMEM;
        }
        INIT_LIST_HEAD(&param_list->param_list);
        INIT_LIST_HEAD(&param_list->extra_response_list);
@@ -629,7 +629,7 @@ int iscsi_copy_param_list(
 
 err_out:
        iscsi_release_param_list(param_list);
-       return -1;
+       return -ENOMEM;
 }
 
 static void iscsi_release_extra_responses(struct iscsi_param_list *param_list)
@@ -729,7 +729,7 @@ static int iscsi_add_notunderstood_response(
        if (!extra_response) {
                pr_err("Unable to allocate memory for"
                        " struct iscsi_extra_response.\n");
-               return -1;
+               return -ENOMEM;
        }
        INIT_LIST_HEAD(&extra_response->er_list);
 
@@ -1370,7 +1370,7 @@ int iscsi_decode_text_input(
        tmpbuf = kzalloc(length + 1, GFP_KERNEL);
        if (!tmpbuf) {
                pr_err("Unable to allocate %u + 1 bytes for tmpbuf.\n", length);
-               return -1;
+               return -ENOMEM;
        }
 
        memcpy(tmpbuf, textbuf, length);