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-rw-r--r--common/imd.c24
-rw-r--r--scripts/bareboximd.c1
2 files changed, 12 insertions, 13 deletions
diff --git a/common/imd.c b/common/imd.c
index 5570ae973a..3a7cbc96e4 100644
--- a/common/imd.c
+++ b/common/imd.c
@@ -112,17 +112,17 @@ static int imd_validate_tags(void *buf, int bufsize, int start_ofs)
}
/*
- * imd_search_validate - find valid metadata in a buffer
+ * imd_get - find valid metadata in a buffer
* @buf the buffer
* @size buffer size
- * @start The returned pointer to the metadata
*
* This iterates over a buffer and searches for metadata. The metadata
* is checked for consistency (length fields not exceeding buffer and
- * presence of end header) and returned in @start. The returned pointer
- * is only valid when 0 is returned. The returned data may be unaligned.
+ * presence of end header) and returned.
+ *
+ * Return: a pointer to the image metadata or a ERR_PTR
*/
-static int imd_search_validate(void *buf, int size, struct imd_header **start)
+struct imd_header *imd_get(void *buf, int size)
{
int start_ofs = 0;
int i, ret;
@@ -138,13 +138,11 @@ static int imd_search_validate(void *buf, int size, struct imd_header **start)
debug("Start tag found at offset %d\n", i);
ret = imd_validate_tags(buf, size, i);
- if (!ret) {
- *start = buf + i;
- return 0;
- }
+ if (!ret)
+ return buf + i;
}
- return -EINVAL;
+ return ERR_PTR(-EINVAL);
}
struct imd_type_names {
@@ -282,9 +280,9 @@ int imd_command(int argc, char *argv[])
if (ret && ret != -EFBIG)
return -errno;
- ret = imd_search_validate(buf, size, &imd_start);
- if (ret)
- return ret;
+ imd_start = imd_get(buf, size);
+ if (IS_ERR(imd_start))
+ return PTR_ERR(imd_start);
if (type == IMD_TYPE_INVALID) {
imd_for_each(imd_start, imd) {
diff --git a/scripts/bareboximd.c b/scripts/bareboximd.c
index a3622af821..d4da681eca 100644
--- a/scripts/bareboximd.c
+++ b/scripts/bareboximd.c
@@ -33,6 +33,7 @@
#include <string.h>
#include <errno.h>
#include <stdarg.h>
+#include <linux/err.h>
#include "../include/image-metadata.h"