[U-Boot] [PATCH] driver: fsl-mc: memset pointers after malloc

[Prabhakar Kushwaha]

Memory allocated via malloc is not guaranteed to be zeroized.

So explicitly memset the memory allocated via malloc.

Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha at nxp.com>
---
 drivers/net/fsl-mc/mc.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/fsl-mc/mc.c b/drivers/net/fsl-mc/mc.c
index 12dbcd8..c03d68f 100644
--- a/drivers/net/fsl-mc/mc.c
+++ b/drivers/net/fsl-mc/mc.c
@@ -730,6 +730,7 @@ int mc_init(u64 mc_fw_addr, u64 mc_dpc_addr)
 		printf(" No memory: malloc() failed\n");
 		return -ENOMEM;
 	}
+	memset(root_mc_io, 0, sizeof(struct fsl_mc_io));
 
 	root_mc_io->mmio_regs = SOC_MC_PORTAL_ADDR(portal_id);
 	debug("Checking access to MC portal of root DPRC container (portal_id %d, portal physical addr %p)\n",
@@ -885,6 +886,7 @@ static int dpio_init(void)
 		err = -ENOMEM;
 		goto err_malloc;
 	}
+	memset(dflt_dpio, 0, sizeof(struct fsl_dpio_obj));
 
 	dpio_cfg.channel_mode = DPIO_LOCAL_CHANNEL;
 	dpio_cfg.num_priorities = 8;
@@ -1036,6 +1038,7 @@ static int dprc_init(void)
 		printf(" No memory: malloc() failed\n");
 		goto err_malloc;
 	}
+	memset(dflt_mc_io, 0, sizeof(struct fsl_mc_io));
 
 	child_portal_id = MC_PORTAL_OFFSET_TO_PORTAL_ID(mc_portal_offset);
 	dflt_mc_io->mmio_regs = SOC_MC_PORTAL_ADDR(child_portal_id);
@@ -1116,6 +1119,7 @@ static int dpbp_init(void)
 		err = -ENOMEM;
 		goto err_malloc;
 	}
+	memset(dflt_dpbp, 0, sizeof(struct fsl_dpbp_obj));
 
 	dpbp_cfg.options = 512;
 
@@ -1212,6 +1216,7 @@ static int dpni_init(void)
 		err = -ENOMEM;
 		goto err_malloc;
 	}
+	memset(dflt_dpni, 0, sizeof(struct fsl_dpni_obj));
 
 	memset(&dpni_extended_cfg, 0, sizeof(dpni_extended_cfg));
 	err = dpni_prepare_extended_cfg(&dpni_extended_cfg, &ext_cfg_buf[0]);
-- 
2.7.4