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-rw-r--r--hw/nvram/eeprom_at24c.c4
-rw-r--r--hw/nvram/spapr_nvram.c6
-rw-r--r--hw/nvram/xlnx-bbram.c4
-rw-r--r--hw/nvram/xlnx-efuse.c4
4 files changed, 9 insertions, 9 deletions
diff --git a/hw/nvram/eeprom_at24c.c b/hw/nvram/eeprom_at24c.c
index df3eef1389..2d4d8b952f 100644
--- a/hw/nvram/eeprom_at24c.c
+++ b/hw/nvram/eeprom_at24c.c
@@ -64,7 +64,7 @@ int at24c_eeprom_event(I2CSlave *s, enum i2c_event event)
     case I2C_START_RECV:
         DPRINTK("clear\n");
         if (ee->blk && ee->changed) {
-            int ret = blk_pwrite(ee->blk, 0, ee->mem, ee->rsize, 0);
+            int ret = blk_pwrite(ee->blk, 0, ee->rsize, ee->mem, 0);
             if (ret < 0) {
                 ERR(TYPE_AT24C_EE
                         " : failed to write backing file\n");
@@ -165,7 +165,7 @@ void at24c_eeprom_reset(DeviceState *state)
     memset(ee->mem, 0, ee->rsize);
 
     if (ee->blk) {
-        int ret = blk_pread(ee->blk, 0, ee->mem, ee->rsize, 0);
+        int ret = blk_pread(ee->blk, 0, ee->rsize, ee->mem, 0);
 
         if (ret < 0) {
             ERR(TYPE_AT24C_EE
diff --git a/hw/nvram/spapr_nvram.c b/hw/nvram/spapr_nvram.c
index d035067e9b..2d72f30442 100644
--- a/hw/nvram/spapr_nvram.c
+++ b/hw/nvram/spapr_nvram.c
@@ -130,7 +130,7 @@ static void rtas_nvram_store(PowerPCCPU *cpu, SpaprMachineState *spapr,
 
     ret = 0;
     if (nvram->blk) {
-        ret = blk_pwrite(nvram->blk, offset, membuf, len, 0);
+        ret = blk_pwrite(nvram->blk, offset, len, membuf, 0);
     }
 
     assert(nvram->buf);
@@ -179,7 +179,7 @@ static void spapr_nvram_realize(SpaprVioDevice *dev, Error **errp)
     }
 
     if (nvram->blk) {
-        ret = blk_pread(nvram->blk, 0, nvram->buf, nvram->size, 0);
+        ret = blk_pread(nvram->blk, 0, nvram->size, nvram->buf, 0);
 
         if (ret < 0) {
             error_setg(errp, "can't read spapr-nvram contents");
@@ -224,7 +224,7 @@ static void postload_update_cb(void *opaque, bool running, RunState state)
     qemu_del_vm_change_state_handler(nvram->vmstate);
     nvram->vmstate = NULL;
 
-    blk_pwrite(nvram->blk, 0, nvram->buf, nvram->size, 0);
+    blk_pwrite(nvram->blk, 0, nvram->size, nvram->buf, 0);
 }
 
 static int spapr_nvram_post_load(void *opaque, int version_id)
diff --git a/hw/nvram/xlnx-bbram.c b/hw/nvram/xlnx-bbram.c
index cb245b864c..c6b484cc85 100644
--- a/hw/nvram/xlnx-bbram.c
+++ b/hw/nvram/xlnx-bbram.c
@@ -124,7 +124,7 @@ static void bbram_bdrv_read(XlnxBBRam *s, Error **errp)
                     blk_name(s->blk));
     }
 
-    if (blk_pread(s->blk, 0, ram, nr, 0) < 0) {
+    if (blk_pread(s->blk, 0, nr, ram, 0) < 0) {
         error_setg(errp,
                    "%s: Failed to read %u bytes from BBRAM backstore.",
                    blk_name(s->blk), nr);
@@ -159,7 +159,7 @@ static void bbram_bdrv_sync(XlnxBBRam *s, uint64_t hwaddr)
     }
 
     offset = hwaddr - A_BBRAM_0;
-    rc = blk_pwrite(s->blk, offset, &le32, 4, 0);
+    rc = blk_pwrite(s->blk, offset, 4, &le32, 0);
     if (rc < 0) {
         bbram_bdrv_error(s, rc, g_strdup_printf("write to offset %u", offset));
     }
diff --git a/hw/nvram/xlnx-efuse.c b/hw/nvram/xlnx-efuse.c
index edaac9cf7c..fdfffaab99 100644
--- a/hw/nvram/xlnx-efuse.c
+++ b/hw/nvram/xlnx-efuse.c
@@ -77,7 +77,7 @@ static int efuse_bdrv_read(XlnxEFuse *s, Error **errp)
                     blk_name(s->blk));
     }
 
-    if (blk_pread(s->blk, 0, ram, nr, 0) < 0) {
+    if (blk_pread(s->blk, 0, nr, ram, 0) < 0) {
         error_setg(errp, "%s: Failed to read %u bytes from eFUSE backstore.",
                    blk_name(s->blk), nr);
         return -1;
@@ -105,7 +105,7 @@ static void efuse_bdrv_sync(XlnxEFuse *s, unsigned int bit)
     le32 = cpu_to_le32(xlnx_efuse_get_row(s, bit));
 
     row_offset = (bit / 32) * 4;
-    if (blk_pwrite(s->blk, row_offset, &le32, 4, 0) < 0) {
+    if (blk_pwrite(s->blk, row_offset, 4, &le32, 0) < 0) {
         error_report("%s: Failed to write offset %u of eFUSE backstore.",
                      blk_name(s->blk), row_offset);
     }