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-rw-r--r--init/initramfs.c37
1 files changed, 20 insertions, 17 deletions
diff --git a/init/initramfs.c b/init/initramfs.c
index e3de626dbd98..32f940473d67 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -595,7 +595,11 @@ static void __init clean_rootfs(void)
ksys_close(fd);
kfree(buf);
}
-#endif
+#else
+static inline void clean_rootfs(void)
+{
+}
+#endif /* CONFIG_BLK_DEV_RAM */
#ifdef CONFIG_BLK_DEV_RAM
static void populate_initrd_image(char *err)
@@ -617,6 +621,11 @@ static void populate_initrd_image(char *err)
written, initrd_end - initrd_start);
ksys_close(fd);
}
+#else
+static void populate_initrd_image(char *err)
+{
+ printk(KERN_EMERG "Initramfs unpacking failed: %s\n", err);
+}
#endif /* CONFIG_BLK_DEV_RAM */
static int __init populate_rootfs(void)
@@ -625,28 +634,22 @@ static int __init populate_rootfs(void)
char *err = unpack_to_rootfs(__initramfs_start, __initramfs_size);
if (err)
panic("%s", err); /* Failed to decompress INTERNAL initramfs */
- /* If available load the bootloader supplied initrd */
- if (initrd_start && !IS_ENABLED(CONFIG_INITRAMFS_FORCE)) {
-#ifdef CONFIG_BLK_DEV_RAM
+
+ if (!initrd_start || IS_ENABLED(CONFIG_INITRAMFS_FORCE))
+ goto done;
+
+ if (IS_ENABLED(CONFIG_BLK_DEV_RAM))
printk(KERN_INFO "Trying to unpack rootfs image as initramfs...\n");
- err = unpack_to_rootfs((char *)initrd_start,
- initrd_end - initrd_start);
- if (!err)
- goto done;
+ else
+ printk(KERN_INFO "Unpacking initramfs...\n");
+ err = unpack_to_rootfs((char *)initrd_start, initrd_end - initrd_start);
+ if (err) {
clean_rootfs();
populate_initrd_image(err);
- done:
- /* empty statement */;
-#else
- printk(KERN_INFO "Unpacking initramfs...\n");
- err = unpack_to_rootfs((char *)initrd_start,
- initrd_end - initrd_start);
- if (err)
- printk(KERN_EMERG "Initramfs unpacking failed: %s\n", err);
-#endif
}
+done:
/*
* If the initrd region is overlapped with crashkernel reserved region,
* free only memory that is not part of crashkernel region.