There's no way to set it, so it's dead code.
Signed-off-by: George Spelvin <li...@horizon.com>
---
crypto/ansi_cprng.c | 16 +---------------
1 file changed, 1 insertion(+), 15 deletions(-)
I really hope I'm reading this right!
diff --git a/crypto/ansi_cprng.c b/crypto/ansi_cprng.c
index 1a0ba6a3..93ed00f6 100644
--- a/crypto/ansi_cprng.c
+++ b/crypto/ansi_cprng.c
@@ -31,8 +31,7 @@
* Flags for the prng_context flags field
*/
-#define PRNG_FIXED_SIZE 0x1
-#define PRNG_NEED_RESET 0x2
+#define PRNG_NEED_RESET 0x1
/*
* Note: In addition to the fixed encryption key, there are three
@@ -186,30 +185,17 @@ static int get_prng_bytes(char *buf, size_t nbytes,
struct prng_context *ctx,
unsigned int byte_count = (unsigned int)nbytes;
int err;
-
spin_lock_bh(&ctx->prng_lock);
err = -EINVAL;
if (ctx->flags & PRNG_NEED_RESET)
goto done;
- /*
- * If the FIXED_SIZE flag is on, only return whole blocks of
- * pseudo random data
- */
- err = -EINVAL;
- if (ctx->flags & PRNG_FIXED_SIZE) {
- if (nbytes < DEFAULT_BLK_SZ)
- goto done;
- byte_count = DEFAULT_BLK_SZ;
- }
-
err = byte_count;
dbgprint(KERN_CRIT "getting %d random bytes for context %p\n",
byte_count, ctx);
-
remainder:
if (ctx->rand_read_pos == DEFAULT_BLK_SZ) {
if (_get_more_prng_bytes(ctx, do_cont_test) < 0) {
--
2.1.3
--
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