Changed image_get_ramdisk() to just return NULL on error and have
get_ramdisk() propogate that error to the caller.  It's left to the
caller to call do_reset() if it wants to.

Also moved calling do_reset() in get_fdt() on ppc to a common location.
In the future we will change get_fdt() to return success/failure and
not call do_reset() at all.

Signed-off-by: Kumar Gala <[EMAIL PROTECTED]>
---

This is against the new-image branch of u-boot-testing

 common/image.c   |   25 ++++++++++++++++---------
 include/image.h  |    2 +-
 lib_m68k/bootm.c |   15 +++++++++++++--
 lib_ppc/bootm.c  |   46 +++++++++++++++++++++++++++++-----------------
 4 files changed, 59 insertions(+), 29 deletions(-)

diff --git a/common/image.c b/common/image.c
index 46cecef..0a74083 100644
--- a/common/image.c
+++ b/common/image.c
@@ -41,8 +41,6 @@
 #include <logbuff.h>
 #endif

-extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
-
 #ifdef CONFIG_CMD_BDI
 extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
 #endif
@@ -324,7 +322,7 @@ const char* image_get_comp_name (uint8_t comp)
  *
  * returns:
  *     pointer to a ramdisk image header, if image was found and valid
- *     otherwise, board is reset
+ *     otherwise, return NULL
  */
 image_header_t* image_get_ramdisk (cmd_tbl_t *cmdtp, int flag,
                int argc, char *argv[],
@@ -348,13 +346,13 @@ image_header_t* image_get_ramdisk (cmd_tbl_t *cmdtp, int 
flag,
        if (!image_check_magic (rd_hdr)) {
                puts ("Bad Magic Number\n");
                show_boot_progress (-10);
-               do_reset (cmdtp, flag, argc, argv);
+               return NULL;
        }

        if (!image_check_hcrc (rd_hdr)) {
                puts ("Bad Header Checksum\n");
                show_boot_progress (-11);
-               do_reset (cmdtp, flag, argc, argv);
+               return NULL;
        }

        show_boot_progress (10);
@@ -377,7 +375,7 @@ image_header_t* image_get_ramdisk (cmd_tbl_t *cmdtp, int 
flag,
                if (!image_check_dcrc_wd (rd_hdr, CHUNKSZ)) {
                        puts ("Bad Data CRC\n");
                        show_boot_progress (-12);
-                       do_reset (cmdtp, flag, argc, argv);
+                       return NULL;
                }
                puts("OK\n");
        }
@@ -390,7 +388,7 @@ image_header_t* image_get_ramdisk (cmd_tbl_t *cmdtp, int 
flag,
                printf ("No Linux %s Ramdisk Image\n",
                                image_get_arch_name(arch));
                show_boot_progress (-13);
-               do_reset (cmdtp, flag, argc, argv);
+               return NULL;
        }

        return rd_hdr;
@@ -417,9 +415,10 @@ image_header_t* image_get_ramdisk (cmd_tbl_t *cmdtp, int 
flag,
  *     rd_start and rd_end are set to ramdisk start/end addresses if
  *     ramdisk image is found and valid
  *     rd_start and rd_end are set to 0 if no ramdisk exists
- *     board is reset if ramdisk image is found but corrupted
+ *     return 1 if ramdisk image is found but corrupted
+ *
  */
-void get_ramdisk (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
+int get_ramdisk (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
                image_header_t *hdr, int verify, uint8_t arch,
                ulong *rd_start, ulong *rd_end)
 {
@@ -447,6 +446,12 @@ void get_ramdisk (cmd_tbl_t *cmdtp, int flag, int argc, 
char *argv[],
                        rd_hdr = image_get_ramdisk (cmdtp, flag, argc, argv,
                                                rd_addr, arch, verify);

+                       if (rd_hdr == NULL) {
+                               *rd_start = 0;
+                               *rd_end = 0;
+                               return 1;
+                       }
+
                        rd_data = image_get_data (rd_hdr);
                        rd_len = image_get_data_size (rd_hdr);

@@ -488,6 +493,8 @@ void get_ramdisk (cmd_tbl_t *cmdtp, int flag, int argc, 
char *argv[],
        }
        debug ("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
                        *rd_start, *rd_end);
+
+       return 0;
 }

 #if defined(CONFIG_PPC) || defined(CONFIG_M68K)
diff --git a/include/image.h b/include/image.h
index a67489e..d35b476 100644
--- a/include/image.h
+++ b/include/image.h
@@ -338,7 +338,7 @@ image_header_t* image_get_ramdisk (cmd_tbl_t *cmdtp, int 
flag,
                int argc, char *argv[],
                ulong rd_addr, uint8_t arch, int verify);

-void get_ramdisk (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
+int get_ramdisk (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
                image_header_t *hdr, int verify, uint8_t arch,
                ulong *rd_start, ulong *rd_end);

diff --git a/lib_m68k/bootm.c b/lib_m68k/bootm.c
index da76844..9a98b83 100644
--- a/lib_m68k/bootm.c
+++ b/lib_m68k/bootm.c
@@ -35,6 +35,8 @@

 DECLARE_GLOBAL_DATA_PTR;

+extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+
 #define PHYSADDR(x) x

 #define LINUX_MAX_ENVS         256
@@ -51,6 +53,7 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag,

        ulong rd_data_start, rd_data_end, rd_len;
        ulong initrd_start, initrd_end;
+       int ret;

        ulong cmd_start, cmd_end;
        bd_t *kbd;
@@ -83,8 +86,11 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag,
            (void (*)(bd_t *, ulong, ulong, ulong, ulong))image_get_ep (hdr);

        /* find ramdisk */
-       get_ramdisk (cmdtp, flag, argc, argv, hdr, verify,
-                       IH_ARCH_M68K, &rd_data_start, &rd_data_end);
+       ret = get_ramdisk (cmdtp, flag, argc, argv, hdr, verify,
+                               IH_ARCH_M68K, &rd_data_start, &rd_data_end);
+
+       if (ret)
+               goto error;

        rd_len = rd_data_end - rd_data_start;
        alloc_current = ramdisk_high (alloc_current, rd_data_start, rd_len,
@@ -105,6 +111,11 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag,
         */
        (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
        /* does not return */
+       return ;
+
+error:
+       do_reset (cmdtp, flag, argc, argv);
+       return ;
 }

 static ulong get_sp (void)
diff --git a/lib_ppc/bootm.c b/lib_ppc/bootm.c
index 99d32eb..ec98e1b 100644
--- a/lib_ppc/bootm.c
+++ b/lib_ppc/bootm.c
@@ -75,7 +75,7 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag,
        int     has_of = 0;

 #if defined(CONFIG_OF_LIBFDT)
-       char    *of_flat_tree;
+       char    *of_flat_tree = NULL;

        /* determine if we are booting w/of */
        if (argc > 3)
@@ -117,8 +117,11 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag,
        kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))image_get_ep 
(hdr);

        /* find ramdisk */
-       get_ramdisk (cmdtp, flag, argc, argv, hdr, verify,
-                       IH_ARCH_PPC, &rd_data_start, &rd_data_end);
+       ret = get_ramdisk (cmdtp, flag, argc, argv, hdr, verify,
+                               IH_ARCH_PPC, &rd_data_start, &rd_data_end);
+
+       if (ret)
+               goto error;

        rd_len = rd_data_end - rd_data_start;

@@ -135,18 +138,18 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag,
                /* pass in dummy initrd info, we'll fix up later */
                if (fdt_chosen(of_flat_tree, rd_data_start, rd_data_end, 0) < 
0) {
                        fdt_error ("/chosen node create failed");
-                       do_reset (cmdtp, flag, argc, argv);
+                       goto error;
                }
 #ifdef CONFIG_OF_HAS_UBOOT_ENV
                if (fdt_env(of_flat_tree) < 0) {
                        fdt_error ("/u-boot-env node create failed");
-                       do_reset (cmdtp, flag, argc, argv);
+                       goto error;
                }
 #endif
 #ifdef CONFIG_OF_HAS_BD_T
                if (fdt_bd_t(of_flat_tree) < 0) {
                        fdt_error ("/bd_t node create failed");
-                       do_reset (cmdtp, flag, argc, argv);
+                       goto error;
                }
 #endif
 #ifdef CONFIG_OF_BOARD_SETUP
@@ -179,7 +182,7 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag,
                                        initrd_end - initrd_start + 1);
                if (ret < 0) {
                        printf("fdt_chosen: %s\n", fdt_strerror(ret));
-                       do_reset (cmdtp, flag, argc, argv);
+                       goto error;
                }

                do_fixup_by_path_u32(of_flat_tree, "/chosen",
@@ -221,6 +224,11 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag,
         */
        (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
        /* does not return */
+       return ;
+
+error:
+       do_reset (cmdtp, flag, argc, argv);
+       return ;
 }

 static ulong get_sp (void)
@@ -304,32 +312,32 @@ static ulong get_fdt (ulong alloc_current,

                        if ((load_start < image_end) && (load_end > 
image_start)) {
                                fdt_error ("fdt overwritten");
-                               do_reset (cmdtp, flag, argc, argv);
+                               goto error;
                        }

                        puts ("   Verifying Checksum ... ");
                        if (!image_check_hcrc (fdt_hdr)) {
                                fdt_error ("fdt header checksum invalid");
-                               do_reset (cmdtp, flag, argc, argv);
+                               goto error;
                        }

                        if (!image_check_dcrc (fdt_hdr)) {
                                fdt_error ("fdt checksum invalid");
-                               do_reset (cmdtp, flag, argc, argv);
+                               goto error;
                        }
                        puts ("OK\n");

                        if (!image_check_type (fdt_hdr, IH_TYPE_FLATDT)) {
                                fdt_error ("uImage is not a fdt");
-                               do_reset (cmdtp, flag, argc, argv);
+                               goto error;
                        }
                        if (image_get_comp (fdt_hdr) != IH_COMP_NONE) {
                                fdt_error ("uImage is compressed");
-                               do_reset (cmdtp, flag, argc, argv);
+                               goto error;
                        }
                        if (fdt_check_header ((char *)image_get_data (fdt_hdr)) 
!= 0) {
                                fdt_error ("uImage data is not a fdt");
-                               do_reset (cmdtp, flag, argc, argv);
+                               goto error;
                        }

                        memmove ((void *)image_get_load (fdt_hdr),
@@ -339,7 +347,7 @@ static ulong get_fdt (ulong alloc_current,
                        fdt = (char *)image_get_load (fdt_hdr);
                } else {
                        fdt_error ("Did not find a Flattened Device Tree");
-                       do_reset (cmdtp, flag, argc, argv);
+                       goto error;
                }
                printf ("   Booting using the fdt at 0x%x\n",
                                fdt);
@@ -363,12 +371,12 @@ static ulong get_fdt (ulong alloc_current,

                        if (fdt_check_header (fdt) != 0) {
                                fdt_error ("image is not a fdt");
-                               do_reset (cmdtp, flag, argc, argv);
+                               goto error;
                        }

                        if (be32_to_cpu (fdt_totalsize (fdt)) != fdt_len) {
                                fdt_error ("fdt size != image size");
-                               do_reset (cmdtp, flag, argc, argv);
+                               goto error;
                        }
                } else {
                        debug ("   Did not find a Flattened Device Tree");
@@ -405,7 +413,7 @@ static ulong get_fdt (ulong alloc_current,
                err = fdt_open_into (fdt, (void *)of_start, of_len);
                if (err != 0) {
                        fdt_error ("fdt move failed");
-                       do_reset (cmdtp, flag, argc, argv);
+                       goto error;
                }
                puts ("OK\n");

@@ -417,5 +425,9 @@ static ulong get_fdt (ulong alloc_current,
        }

        return new_alloc_current;
+
+error:
+       do_reset (cmdtp, flag, argc, argv);
+       return 1;
 }
 #endif
-- 
1.5.3.8


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