diff --git a/block/curl.c b/block/curl.c
index 8c84141ced21dac64404c0016a7cadd0e95368ab..79ff2f1e41192fb6e22850de4742ca8c4f4518b2 100644
--- a/block/curl.c
+++ b/block/curl.c
@@ -440,10 +440,8 @@ static void curl_detach_aio_context(BlockDriverState *bs)
             curl_easy_cleanup(s->states[i].curl);
             s->states[i].curl = NULL;
         }
-        if (s->states[i].orig_buf) {
-            g_free(s->states[i].orig_buf);
-            s->states[i].orig_buf = NULL;
-        }
+        g_free(s->states[i].orig_buf);
+        s->states[i].orig_buf = NULL;
     }
     if (s->multi) {
         curl_multi_cleanup(s->multi);
@@ -638,8 +636,7 @@ static void curl_readv_bh_cb(void *p)
     acb->end = (acb->nb_sectors * SECTOR_SIZE);
 
     state->buf_off = 0;
-    if (state->orig_buf)
-        g_free(state->orig_buf);
+    g_free(state->orig_buf);
     state->buf_start = start;
     state->buf_len = acb->end + s->readahead_size;
     end = MIN(start + state->buf_len, s->len) - 1;
diff --git a/block/iscsi.c b/block/iscsi.c
index 877b877cf26e05fb933b230b6c15d2c84a6c10bc..38bfdb61a25664eebb60e1651b573411a286dae6 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -1434,9 +1434,7 @@ static int iscsi_open(BlockDriverState *bs, QDict *options, int flags,
 
 out:
     qemu_opts_del(opts);
-    if (initiator_name != NULL) {
-        g_free(initiator_name);
-    }
+    g_free(initiator_name);
     if (iscsi_url != NULL) {
         iscsi_destroy_url(iscsi_url);
     }
diff --git a/hw/block/onenand.c b/hw/block/onenand.c
index 60d5311d04cc01aa192cd56a844dafcdeb670cd3..5388122eb8943f698edb3b47b9fad67dd279f1c7 100644
--- a/hw/block/onenand.c
+++ b/hw/block/onenand.c
@@ -335,9 +335,7 @@ static inline int onenand_prog_spare(OneNANDState *s, int sec, int secn,
                                     dp, 1) < 0;
             }
         }
-        if (dp) {
-            g_free(dp);
-        }
+        g_free(dp);
     }
     return result;
 }