[PATCH 2.6.20-rc2] drivers/char/agp/sgi-agp.c: check kmalloc() return value.

[Amit Choudhary <amit2030@gmail.com>]

Description: Check the return value of kmalloc() in function agp_sgi_init(), in file drivers/char/agp/sgi-agp.c.

Signed-off-by: Amit Choudhary <amit2030@gmail.com>

diff --git a/drivers/char/agp/sgi-agp.c b/drivers/char/agp/sgi-agp.c
index d73be4c..5897e6c 100644
--- a/drivers/char/agp/sgi-agp.c
+++ b/drivers/char/agp/sgi-agp.c
@@ -285,6 +285,8 @@ static int __devinit agp_sgi_init(void)
 	    (struct agp_bridge_data **)kmalloc(tioca_gart_found *
 					       sizeof(struct agp_bridge_data *),
 					       GFP_KERNEL);
+	if (!sgi_tioca_agp_bridges)
+		return -ENOMEM;
 
 	j = 0;
 	list_for_each_entry(info, &tioca_list, ca_list) {
-
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