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Subject[PATCH -next] ipc/shm: Use ERR_CAST to return error code
Date
Fix gcc warning:
ipc/shm.c: In function 'shm_lock'
ipc/shm.c:210:2: note: randstruct: casting between randomized structure pointer types (ssa): 'struct shmid_kernel' and 'struct kern_ipc_perm'

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
ipc/shm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ipc/shm.c b/ipc/shm.c
index 4cd402e..1c65fb3 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -206,7 +206,7 @@ static inline struct shmid_kernel *shm_lock(struct ipc_namespace *ns, int id)
* Callers of shm_lock() must validate the status of the returned ipc
* object pointer and error out as appropriate.
*/
- return (void *)ipcp;
+ return ERR_CAST(ipcp);
}

static inline void shm_lock_by_ptr(struct shmid_kernel *ipcp)
--
1.8.3.1

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