From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Wed, 28 Sep 2011 18:43:44 +0000 (+0200)
Subject: compat: add IS_ERR_OR_NULL()
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=f7d5a0caee9dc9d510278cedae4cf171835e9656;p=openwrt%2Fstaging%2Fblogic.git

compat: add IS_ERR_OR_NULL()

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---

diff --git a/include/linux/compat-2.6.33.h b/include/linux/compat-2.6.33.h
index 43f19893f457..386ee4c9c0ad 100644
--- a/include/linux/compat-2.6.33.h
+++ b/include/linux/compat-2.6.33.h
@@ -144,6 +144,11 @@ static inline bool pci_is_pcie(struct pci_dev *dev)
 #define __always_unused			/* unimplemented */
 #endif
 
+static inline long __must_check IS_ERR_OR_NULL(const void *ptr)
+{
+	return !ptr || IS_ERR_VALUE((unsigned long)ptr);
+}
+
 #endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33)) */
 
 #endif /* LINUX_26_33_COMPAT_H */