Commit 429e048e authored by Boris Brezillon's avatar Boris Brezillon Committed by Jagan Teki

mtd: Be more strict on the "mtdparts=" prefix check

strstr() does not guarantee that the string we're searching for is
placed at the beginning. Use strncmp() instead.

Fixes: 5db66b3a ("cmd: mtd: add 'mtd' command")
Signed-off-by: default avatarBoris Brezillon <>
Tested-by: Heiko Schocher's avatarHeiko Schocher <>
parent 96b06434
......@@ -215,7 +215,7 @@ int mtd_probe_devices(void)
return 0;
/* Start the parsing by ignoring the extra 'mtdparts=' prefix, if any */
if (strstr(mtdparts, "mtdparts="))
if (!strncmp(mtdparts, "mtdparts=", sizeof("mtdparts=") - 1))
mtdparts += 9;
/* For each MTD device in mtdparts */
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