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authorHauke Mehrtens <hauke@hauke-m.de>2014-08-09 14:00:29 +0200
committerHauke Mehrtens <hauke@hauke-m.de>2014-08-09 16:40:38 +0200
commit7b74819d3532a47bff0ca15b6c0fcaabca0287e3 (patch)
tree8d30dedcce8cc9ed4ace072585499fecabdbb160
parent7b62a86c4fe3c758f5de15dbc11a55e73812724e (diff)
backports: add devm_kmalloc_array()
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
-rw-r--r--backport/backport-include/linux/device.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/backport/backport-include/linux/device.h b/backport/backport-include/linux/device.h
index 9ed73988..830105df 100644
--- a/backport/backport-include/linux/device.h
+++ b/backport/backport-include/linux/device.h
@@ -160,4 +160,15 @@ __ATTRIBUTE_GROUPS(_name)
extern char *devm_kstrdup(struct device *dev, const char *s, gfp_t gfp);
#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,13,0)
+#define devm_kmalloc_array LINUX_BACKPORT(devm_kmalloc_array)
+static inline void *devm_kmalloc_array(struct device *dev,
+ size_t n, size_t size, gfp_t flags)
+{
+ if (size != 0 && n > SIZE_MAX / size)
+ return NULL;
+ return devm_kmalloc(dev, n * size, flags);
+}
+#endif
+
#endif /* __BACKPORT_DEVICE_H */