The new radeon DRM driver from 3.6 uses kmalloc_array().
This backports:
commit a8203725dfded5c1f79dca3368a4a273e24b59bb
Author: Xi Wang <xi.wang@xxxxxxxxx>
Date: Mon Mar 5 15:14:41 2012 -0800
slab: introduce kmalloc_array()
[root@ozan linux-2.6]# git describe --contains a8203725
v3.4-rc1~56^2~1
Trying kernel 3.5.0-030500-generic [OK]
Trying kernel 3.4.4-030404-generic [OK]
Trying kernel 3.3.7-030307-generic [OK]
Trying kernel 3.2.2-030202-generic [OK]
Trying kernel 3.1.10-030110-generic [OK]
Trying kernel 3.0.18-030018-generic [OK]
Trying kernel 2.6.39-02063904-generic [OK]
Trying kernel 2.6.38-02063808-generic [OK]
Trying kernel 2.6.37-02063706-generic [OK]
Trying kernel 2.6.36-02063604-generic [OK]
Trying kernel 2.6.35-02063512-generic [OK]
Trying kernel 2.6.34-02063410-generic [OK]
Trying kernel 2.6.33-02063305-generic [OK]
Trying kernel 2.6.32-02063255-generic [OK]
Trying kernel 2.6.31-02063113-generic [OK]
Trying kernel 2.6.30-02063010-generic [OK]
Trying kernel 2.6.29-02062906-generic [OK]
Trying kernel 2.6.28-02062810-generic [OK]
Trying kernel 2.6.27-020627-generic [OK]
Trying kernel 2.6.26-020626-generic [OK]
Trying kernel 2.6.25-020625-generic [OK]
Trying kernel 2.6.24-020624-generic [OK]
Signed-off-by: Ozan Çağlayan <ozancag@xxxxxxxxx>
---
include/linux/compat-3.4.h | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/include/linux/compat-3.4.h b/include/linux/compat-3.4.h
index e603f4c..06a3a07 100644
--- a/include/linux/compat-3.4.h
+++ b/include/linux/compat-3.4.h
@@ -5,6 +5,24 @@
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0))
+/* This backports:
+ *
+ * commit a8203725dfded5c1f79dca3368a4a273e24b59bb
+ * Author: Xi Wang <xi.wang@xxxxxxxxx>
+ * Date: Mon Mar 5 15:14:41 2012 -0800
+ *
+ * slab: introduce kmalloc_array()
+ */
+
+/* SIZE_MAX is backported in compat-3.5.h so include it */
+#include <linux/compat-3.5.h>
+static inline void *kmalloc_array(size_t n, size_t size, gfp_t flags)
+{
+ if (size != 0 && n > SIZE_MAX / size)
+ return NULL;
+ return __kmalloc(n * size, flags);
+}
+
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
--
1.7.10.4
--
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