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iscsi: only define srandomdev when arc4random not available

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srandomdev is *only* used to emulate arc4random, so only
bother defining it on Linux when it's needed.  This avoids
unused errors on newer distros packaging glibc versions
that now defined arc4random.

Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I6e64a697d9633709cedd0198f75cf094d514562d
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/15814
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <smatsumoto@nvidia.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
This commit is contained in:
Jim Harris 2022-12-07 23:54:12 +00:00 committed by Tomasz Zawadzki
parent 2be0335489
commit af8d147328
1 changed files with 1 additions and 7 deletions
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8
lib/iscsi/iscsi.c
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@ -32,10 +32,6 @@
#define MAX_TMPBUF 1024
#ifdef __FreeBSD__
#define HAVE_SRANDOMDEV 1
#endif
struct spdk_iscsi_globals g_iscsi = {
.mutex = PTHREAD_MUTEX_INITIALIZER,
.portal_head = TAILQ_HEAD_INITIALIZER(g_iscsi.portal_head),
@ -53,7 +49,7 @@ struct spdk_iscsi_globals g_iscsi = {
| (((uint32_t) *((uint8_t *)(BUF)+3)) << 24)) \
== (CRC32C))
#ifndef HAVE_SRANDOMDEV
#ifndef SPDK_CONFIG_HAVE_ARC4RANDOM
static void
srandomdev(void)
{
@ -66,9 +62,7 @@ srandomdev(void)
seed = pid ^ now;
srandom(seed);
}
#endif /* HAVE_SRANDOMDEV */
#ifndef SPDK_CONFIG_HAVE_ARC4RANDOM
static int g_arc4random_initialized = 0;
static uint32_t