[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.kushw...@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

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