graph: fix bogus used initialized warning

[fio.git] / lib / lfsr.c

diff --git a/lib/lfsr.c b/lib/lfsr.c
index 01c97cb80b1df7a7c8bfa6f9d84f7e366f286390..8a70029627a34ccbec53a104f879c94ec6498234 100644 (file)
--- a/lib/lfsr.c
+++ b/lib/lfsr.c
@@ -243,7 +243,7 @@ static struct lfsr_taps *find_lfsr(uint64_t size)
        return NULL;
 }
 
-int lfsr_init(struct fio_lfsr *fl, uint64_t size)
+int lfsr_init(struct fio_lfsr *fl, uint64_t size, unsigned long seed)
 {
        struct lfsr_taps *tap;
        int i;
@@ -252,7 +252,7 @@ int lfsr_init(struct fio_lfsr *fl, uint64_t size)
        if (!tap)
                return 1;
 
-       fl->last_val = 1;
+       fl->last_val = seed;
        fl->max_val = size - 1;
        fl->num_vals = 0;
        fl->taps.length = tap->length;