common: cmd_elf.c: fix checkpath.pl warnings

[Tom: Move valid_elf_image around and don't mark it as static as another
board makes use of this function]

Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Signed-off-by: Tom Rini <trini@ti.com>

common/cmd_elf.c

@@ -24,7 +24,6 @@
 DECLARE_GLOBAL_DATA_PTR;
 #endif
 
-int valid_elf_image (unsigned long addr);
 static unsigned long load_elf_image_phdr(unsigned long addr);
 static unsigned long load_elf_image_shdr(unsigned long addr);
 
@@ -55,6 +54,39 @@ unsigned long do_bootelf_exec (ulong (*entry)(int, char * const[]),
 	return ret;
 }
 
+/* ======================================================================
+ * Determine if a valid ELF image exists at the given memory location.
+ * First looks at the ELF header magic field, the makes sure that it is
+ * executable and makes sure that it is for a PowerPC.
+ * ====================================================================== */
+int valid_elf_image(unsigned long addr)
+{
+	Elf32_Ehdr *ehdr;		/* Elf header structure pointer */
+
+	/* -------------------------------------------------- */
+
+	ehdr = (Elf32_Ehdr *) addr;
+
+	if (!IS_ELF(*ehdr)) {
+		printf("## No elf image at address 0x%08lx\n", addr);
+		return 0;
+	}
+
+	if (ehdr->e_type != ET_EXEC) {
+		printf("## Not a 32-bit elf image at address 0x%08lx\n", addr);
+		return 0;
+	}
+
+#if 0
+	if (ehdr->e_machine != EM_PPC) {
+		printf("## Not a PowerPC elf image at address 0x%08lx\n", addr);
+		return 0;
+	}
+#endif
+
+	return 1;
+}
+
 /* ======================================================================
  * Interpreter command to boot an arbitrary ELF image from memory.
  * ====================================================================== */
@@ -130,13 +162,14 @@ int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 		addr = simple_strtoul(argv[1], NULL, 16);
 
 #if defined(CONFIG_CMD_NET)
-	/* Check to see if we need to tftp the image ourselves before starting */
-
+	/*
+	 * Check to see if we need to tftp the image ourselves before starting
+	 */
 	if ((argc == 2) && (strcmp(argv[1], "tftp") == 0)) {
 		if (NetLoop(TFTPGET) <= 0)
 			return 1;
-		printf("Automatic boot of VxWorks image at address 0x%08lx "
-			"...\n", addr);
+		printf("Automatic boot of VxWorks image at address 0x%08lx ...\n",
+			addr);
 	}
 #endif
 
@@ -164,8 +197,8 @@ int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 	 * PowerPC is LOCAL_MEM_LOCAL_ADRS + BOOT_LINE_OFFSET which
 	 * defaults to 0x4200
 	 */
-
-	if ((tmp = getenv ("bootaddr")) == NULL)
+	tmp = getenv("bootaddr");
+	if (tmp)
 		bootaddr = CONFIG_SYS_VXWORKS_BOOT_ADDR;
 	else
 		bootaddr = simple_strtoul(tmp, NULL, 16);
@@ -175,34 +208,33 @@ int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 	 * parameter. If it is not defined, we may be able to
 	 * construct the info
 	 */
-
-	if ((bootline = getenv ("bootargs")) != NULL) {
+	bootline = getenv("bootargs");
+	if (bootline) {
 		memcpy((void *) bootaddr, bootline,
 			max(strlen(bootline), 255));
 		flush_cache(bootaddr, max(strlen(bootline), 255));
 	} else {
-
-
 		sprintf(build_buf, CONFIG_SYS_VXWORKS_BOOT_DEVICE);
-		if ((tmp = getenv ("bootfile")) != NULL) {
+		tmp = getenv("bootfile");
+		if (tmp)
 			sprintf(&build_buf[strlen(build_buf)],
 				 "%s:%s ", CONFIG_SYS_VXWORKS_SERVERNAME, tmp);
-		} else {
+		else
 			sprintf(&build_buf[strlen(build_buf)],
 				 "%s:file ", CONFIG_SYS_VXWORKS_SERVERNAME);
-		}
 
-		if ((tmp = getenv ("ipaddr")) != NULL) {
+		tmp = getenv("ipaddr");
+		if (tmp)
 			sprintf(&build_buf[strlen(build_buf)], "e=%s ", tmp);
-		}
 
-		if ((tmp = getenv ("serverip")) != NULL) {
+		tmp = getenv("serverip");
+		if (tmp)
 			sprintf(&build_buf[strlen(build_buf)], "h=%s ", tmp);
-		}
 
-		if ((tmp = getenv ("hostname")) != NULL) {
+		tmp = getenv("hostname");
+		if (tmp)
 			sprintf(&build_buf[strlen(build_buf)], "tn=%s ", tmp);
-		}
+
 #ifdef CONFIG_SYS_VXWORKS_ADD_PARAMS
 		sprintf(&build_buf[strlen(build_buf)],
 			 CONFIG_SYS_VXWORKS_ADD_PARAMS);
@@ -237,40 +269,6 @@ int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 	return 1;
 }
 
-/* ======================================================================
- * Determine if a valid ELF image exists at the given memory location.
- * First looks at the ELF header magic field, the makes sure that it is
- * executable and makes sure that it is for a PowerPC.
- * ====================================================================== */
-int valid_elf_image (unsigned long addr)
-{
-	Elf32_Ehdr *ehdr;		/* Elf header structure pointer */
-
-	/* -------------------------------------------------- */
-
-	ehdr = (Elf32_Ehdr *) addr;
-
-	if (!IS_ELF (*ehdr)) {
-		printf ("## No elf image at address 0x%08lx\n", addr);
-		return 0;
-	}
-
-	if (ehdr->e_type != ET_EXEC) {
-		printf ("## Not a 32-bit elf image at address 0x%08lx\n", addr);
-		return 0;
-	}
-
-#if 0
-	if (ehdr->e_machine != EM_PPC) {
-		printf ("## Not a PowerPC elf image at address 0x%08lx\n",
-			addr);
-		return 0;
-	}
-#endif
-
-	return 1;
-}
-
 /* ======================================================================
  * A very simple elf loader, assumes the image is valid, returns the
  * entry point address.
@@ -293,7 +291,8 @@ static unsigned long load_elf_image_phdr(unsigned long addr)
 		if (phdr->p_filesz)
 			memcpy(dst, src, phdr->p_filesz);
 		if (phdr->p_filesz != phdr->p_memsz)
-			memset(dst + phdr->p_filesz, 0x00, phdr->p_memsz - phdr->p_filesz);
+			memset(dst + phdr->p_filesz, 0x00,
+				phdr->p_memsz - phdr->p_filesz);
 		flush_cache((unsigned long)dst, phdr->p_filesz);
 		++phdr;
 	}