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-rw-r--r--drivers/mtd/parsers/cmdlinepart.c23
1 files changed, 20 insertions, 3 deletions
diff --git a/drivers/mtd/parsers/cmdlinepart.c b/drivers/mtd/parsers/cmdlinepart.c
index af712f1519c5..a79e4d866b08 100644
--- a/drivers/mtd/parsers/cmdlinepart.c
+++ b/drivers/mtd/parsers/cmdlinepart.c
@@ -226,12 +226,29 @@ static int mtdpart_setup_real(char *s)
struct cmdline_mtd_partition *this_mtd;
struct mtd_partition *parts;
int mtd_id_len, num_parts;
- char *p, *mtd_id;
+ char *p, *mtd_id, *semicol;
+
+ /*
+ * Replace the first ';' by a NULL char so strrchr can work
+ * properly.
+ */
+ semicol = strchr(s, ';');
+ if (semicol)
+ *semicol = '\0';
mtd_id = s;
- /* fetch <mtd-id> */
- p = strchr(s, ':');
+ /*
+ * fetch <mtd-id>. We use strrchr to ignore all ':' that could
+ * be present in the MTD name, only the last one is interpreted
+ * as an <mtd-id>/<part-definition> separator.
+ */
+ p = strrchr(s, ':');
+
+ /* Restore the ';' now. */
+ if (semicol)
+ *semicol = ';';
+
if (!p) {
pr_err("no mtd-id\n");
return -EINVAL;