--- libmultipath/checkers/readsector0.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: multipath-tools-130222/libmultipath/checkers/readsector0.c =================================================================== --- multipath-tools-130222.orig/libmultipath/checkers/readsector0.c +++ multipath-tools-130222/libmultipath/checkers/readsector0.c @@ -29,7 +29,7 @@ int libcheck_check (struct checker * c) unsigned char sbuf[SENSE_BUFF_LEN]; int ret; - ret = sg_read(c->fd, &buf[0], 4069, &sbuf[0], + ret = sg_read(c->fd, &buf[0], 4096, &sbuf[0], SENSE_BUFF_LEN, c->timeout); switch (ret)