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authorH. Peter Anvin <hpa@zytor.com>2010-02-11 00:55:28 (GMT)
committerH. Peter Anvin <hpa@zytor.com>2010-02-11 00:55:28 (GMT)
commit84abd88a70090cf00f9e45c3a81680874f17626e (patch)
tree4f58b80057f6e1f5817af1dc33a5458b3dfc9a99 /include/linux/err.h
parent13ca0fcaa33f6b1984c4111b6ec5df42689fea6f (diff)
parente28cab42f384745c8a947a9ccd51e4aae52f5d51 (diff)
downloadlinux-fsl-qoriq-84abd88a70090cf00f9e45c3a81680874f17626e.tar.xz
Merge remote branch 'linus/master' into x86/bootmem
Diffstat (limited to 'include/linux/err.h')
-rw-r--r--include/linux/err.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/err.h b/include/linux/err.h
index ec87f31..1b12642 100644
--- a/include/linux/err.h
+++ b/include/linux/err.h
@@ -34,6 +34,11 @@ static inline long IS_ERR(const void *ptr)
return IS_ERR_VALUE((unsigned long)ptr);
}
+static inline long IS_ERR_OR_NULL(const void *ptr)
+{
+ return !ptr || IS_ERR_VALUE((unsigned long)ptr);
+}
+
/**
* ERR_CAST - Explicitly cast an error-valued pointer to another pointer type
* @ptr: The pointer to cast.