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authorMichal Marek <mmarek@suse.cz>2010-10-27 18:15:57 -0400
committerMichal Marek <mmarek@suse.cz>2010-10-27 18:15:57 -0400
commitb74b953b998bcc2db91b694446f3a2619ec32de6 (patch)
tree6ce24caabd730f6ae9287ed0676ec32e6ff31e9d /include/linux/err.h
parentabb438526201c6a79949ad45375c051b6681c253 (diff)
parentf6f94e2ab1b33f0082ac22d71f66385a60d8157f (diff)
Merge commit 'v2.6.36' into kbuild/misc
Update to be able to fix a recent change to scripts/basic/docproc.c (commit eda603f).
Diffstat (limited to 'include/linux/err.h')
-rw-r--r--include/linux/err.h10
1 files changed, 5 insertions, 5 deletions
diff --git a/include/linux/err.h b/include/linux/err.h
index 1b12642636c7..448afc12c78a 100644
--- a/include/linux/err.h
+++ b/include/linux/err.h
@@ -19,22 +19,22 @@
19 19
20#define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO) 20#define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO)
21 21
22static inline void *ERR_PTR(long error) 22static inline void * __must_check ERR_PTR(long error)
23{ 23{
24 return (void *) error; 24 return (void *) error;
25} 25}
26 26
27static inline long PTR_ERR(const void *ptr) 27static inline long __must_check PTR_ERR(const void *ptr)
28{ 28{
29 return (long) ptr; 29 return (long) ptr;
30} 30}
31 31
32static inline long IS_ERR(const void *ptr) 32static inline long __must_check IS_ERR(const void *ptr)
33{ 33{
34 return IS_ERR_VALUE((unsigned long)ptr); 34 return IS_ERR_VALUE((unsigned long)ptr);
35} 35}
36 36
37static inline long IS_ERR_OR_NULL(const void *ptr) 37static inline long __must_check IS_ERR_OR_NULL(const void *ptr)
38{ 38{
39 return !ptr || IS_ERR_VALUE((unsigned long)ptr); 39 return !ptr || IS_ERR_VALUE((unsigned long)ptr);
40} 40}
@@ -46,7 +46,7 @@ static inline long IS_ERR_OR_NULL(const void *ptr)
46 * Explicitly cast an error-valued pointer to another pointer type in such a 46 * Explicitly cast an error-valued pointer to another pointer type in such a
47 * way as to make it clear that's what's going on. 47 * way as to make it clear that's what's going on.
48 */ 48 */
49static inline void *ERR_CAST(const void *ptr) 49static inline void * __must_check ERR_CAST(const void *ptr)
50{ 50{
51 /* cast away the const */ 51 /* cast away the const */
52 return (void *) ptr; 52 return (void *) ptr;