This patch incorporates null pointer check associated with memory allocation
for omap_dm_timer_plat_info using kzalloc()

Tested on OMAP4430 SDP.

Signed-off-by: Tarun Kanti Debbarma <[email protected]>
--- 
 arch/arm/mach-omap2/dmtimers.c |   20 ++++++++++++++++++--
 1 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-omap2/dmtimers.c b/arch/arm/mach-omap2/dmtimers.c
index 772be63..a7e9ac5 100644
--- a/arch/arm/mach-omap2/dmtimers.c
+++ b/arch/arm/mach-omap2/dmtimers.c
@@ -248,7 +248,12 @@ void __init omap2_dm_timer_early_init(void)
 
                        pdata = kzalloc(sizeof(struct omap_dm_timer_plat_info),
                                        GFP_KERNEL);
-
+                       if (!pdata) {
+                               pr_err("%s: \
+                               No memory for omap_dm_timer_plat_info\n",
+                               __func__);
+                               return -ENOMEM;
+                       }
                        pdata->omap_dm_clk_enable = omap2_dm_timer_enable;
                        pdata->omap_dm_clk_disable = omap2_dm_timer_disable;
                        pdata->omap_dm_set_source_clk = omap2_dm_timer_set_clk;
@@ -346,6 +351,12 @@ int __init omap2_dm_timer_init(void)
 
                        pdata = kzalloc(sizeof(struct omap_dm_timer_plat_info),
                                        GFP_KERNEL);
+                       if (!pdata) {
+                               pr_err("%s: \
+                               No memory for omap_dm_timer_plat_info\n",
+                               __func__);
+                               return -ENOMEM;
+                       }
                        pdata->omap_dm_clk_enable = omap2_dm_timer_enable;
                        pdata->omap_dm_clk_disable = omap2_dm_timer_disable;
                        pdata->omap_dm_set_source_clk = omap2_dm_timer_set_clk;
@@ -397,7 +408,12 @@ fail:
                                break;
                        pdata = kzalloc(sizeof(struct omap_dm_timer_plat_info),
                                        GFP_KERNEL);
-
+                       if (!pdata) {
+                               pr_err("%s: \
+                               No memory for omap_dm_timer_plat_info\n",
+                               __func__);
+                               return -ENOMEM;
+                       }
                        pdata->omap_dm_clk_enable = omap2_dm_timer_enable;
                        pdata->omap_dm_clk_disable = omap2_dm_timer_disable;
                        pdata->omap_dm_set_source_clk = omap2_dm_timer_set_clk;
--
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