From: Borislav Petkov <[email protected]> Some callers don't use it so make it optional.
Signed-off-by: Borislav Petkov <[email protected]> --- lib/earlycpio.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/lib/earlycpio.c b/lib/earlycpio.c index 3eb3e4722b8e..db283ba4d2c1 100644 --- a/lib/earlycpio.c +++ b/lib/earlycpio.c @@ -125,7 +125,10 @@ struct cpio_data find_cpio_data(const char *path, void *data, if ((ch[C_MODE] & 0170000) == 0100000 && ch[C_NAMESIZE] >= mypathsize && !memcmp(p, path, mypathsize)) { - *nextoff = (long)nptr - (long)data; + + if (nextoff) + *nextoff = (long)nptr - (long)data; + if (ch[C_NAMESIZE] - mypathsize >= MAX_CPIO_FILE_NAME) { pr_warn( "File %s exceeding MAX_CPIO_FILE_NAME [%d]\n", -- 2.7.3
