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authorBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>2019-02-07 18:44:43 +0300
committerBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>2019-02-07 18:44:43 +0300
commit82ffd0454bd9bd57780966d47bfd56d579dd4fb3 (patch)
treea735cfea934b7c4eac4a2c228cd95620c1daf969 /tools/include/linux/err.h
parent890d14d2d4b57ff5a149309da3ed36c8a529987f (diff)
parent8834f5600cf3c8db365e18a3d5cac2c2780c81e5 (diff)
downloadlinux-82ffd0454bd9bd57780966d47bfd56d579dd4fb3.tar.xz
Merge tag 'v5.0-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into fbdev-for-next
Linux 5.0-rc5 Sync with upstream (which now contains fbdev-v5.0-rc3 changes) to prepare a base for fbdev-v5.1 changes.
Diffstat (limited to 'tools/include/linux/err.h')
-rw-r--r--tools/include/linux/err.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/tools/include/linux/err.h b/tools/include/linux/err.h
index 094649667bae..2f5a12b88a86 100644
--- a/tools/include/linux/err.h
+++ b/tools/include/linux/err.h
@@ -59,4 +59,17 @@ static inline int __must_check PTR_ERR_OR_ZERO(__force const void *ptr)
else
return 0;
}
+
+/**
+ * ERR_CAST - Explicitly cast an error-valued pointer to another pointer type
+ * @ptr: The pointer to cast.
+ *
+ * Explicitly cast an error-valued pointer to another pointer type in such a
+ * way as to make it clear that's what's going on.
+ */
+static inline void * __must_check ERR_CAST(__force const void *ptr)
+{
+ /* cast away the const */
+ return (void *) ptr;
+}
#endif /* _LINUX_ERR_H */