add a common function between gpt_default and gpt_verify
to display the error message associated to errno
the patch prepare GPT over MTD, as the same function will be reused

Signed-off-by: Patrick Delaunay <[email protected]>
Reviewed-by: Christophe KERELLO <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
---

Changes in v6: None
Changes in v5: None
Changes in v4: None
Changes in v3: None
Changes in v2: None

 cmd/gpt.c | 28 +++++++++++++++++-----------
 1 file changed, 17 insertions(+), 11 deletions(-)

diff --git a/cmd/gpt.c b/cmd/gpt.c
index a36dbdf..a634071 100644
--- a/cmd/gpt.c
+++ b/cmd/gpt.c
@@ -334,6 +334,21 @@ err:
        return errno;
 }
 
+/**
+ * print_gpt_info_err(): display error message for set_gpt_info()
+ *
+ * @param ret - value of the result
+ */
+static void print_gpt_info_err(int ret)
+{
+       if (ret == -ENOENT)
+               printf("No partition list provided\n");
+       if (ret == -EBADF)
+               printf("Missing disk guid\n");
+       if ((ret == -EFAULT) || (ret == -EINVAL))
+               printf("Partition list incomplete\n");
+}
+
 static int gpt_default(struct blk_desc *blk_dev_desc, const char *str_part)
 {
        int ret;
@@ -345,12 +360,7 @@ static int gpt_default(struct blk_desc *blk_dev_desc, 
const char *str_part)
        ret = set_gpt_info(blk_dev_desc->lba, blk_dev_desc->blksz, str_part,
                        &str_disk_guid, &partitions, &part_count);
        if (ret) {
-               if (ret == -ENOENT)
-                       printf("No partition list provided\n");
-               if (ret == -EBADF)
-                       printf("Missing disk guid\n");
-               if ((ret == -EFAULT) || (ret == -EINVAL))
-                       printf("Partition list incomplete\n");
+               print_gpt_info_err(ret);
                return -1;
        }
 
@@ -376,16 +386,12 @@ static int gpt_verify(struct blk_desc *blk_dev_desc, 
const char *str_part)
        ret = set_gpt_info(blk_dev_desc->lba, blk_dev_desc->blksz, str_part,
                        &str_disk_guid, &partitions, &part_count);
        if (ret) {
+               print_gpt_info_err(ret);
                if (ret == -ENOENT) {
-                       printf("No partition list provided - only basic 
check\n");
                        ret = gpt_verify_headers(blk_dev_desc, gpt_head,
                                                 &gpt_pte);
                        goto out;
                }
-               if (ret == -EBADF)
-                       printf("Missing disk guid\n");
-               if ((ret == -EFAULT) || (ret == -EINVAL))
-                       printf("Partition list incomplete\n");
                return -1;
        }
 
-- 
1.9.1

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