Messages in this thread | | | Date | Mon, 18 Jun 2018 22:27:38 +0800 | From | kbuild test robot <> | Subject | Re: [PATCH v8 5/5] ipc: Add a new ipcmni_compat sysctl to fall back to old behavior |
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Hi Waiman,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master] [also build test ERROR on v4.18-rc1 next-20180618] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Waiman-Long/ipc-IPCMNI-limit-check-for-mni-increase-that-limit/20180618-183206 config: i386-randconfig-a0-06181851 (attached as .config) compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4 reproduce: # save the attached .config to linux build tree make ARCH=i386
All errors (new ones prefixed by >>):
In file included from ipc/mqueue.c:43:0: ipc/util.h: In function 'sem_check_semmni': >> ipc/util.h:251:54: error: 'ipcmni_max' undeclared (first use in this function) return ((ns->sem_ctls[3] < 0) || (ns->sem_ctls[3] > ipcmni_max)) ^ ipc/util.h:251:54: note: each undeclared identifier is reported only once for each function it appears in
vim +/ipcmni_max +251 ipc/util.h
239 240 struct kern_ipc_perm *ipc_obtain_object_check(struct ipc_ids *ids, int id); 241 int ipcget(struct ipc_namespace *ns, struct ipc_ids *ids, 242 const struct ipc_ops *ops, struct ipc_params *params); 243 void free_ipcs(struct ipc_namespace *ns, struct ipc_ids *ids, 244 void (*free)(struct ipc_namespace *, struct kern_ipc_perm *)); 245 246 static inline int sem_check_semmni(struct ipc_namespace *ns) { 247 /* 248 * Check semmni range [0, ipcmni_max] 249 * semmni is the last element of sem_ctls[4] array 250 */ > 251 return ((ns->sem_ctls[3] < 0) || (ns->sem_ctls[3] > ipcmni_max)) 252 ? -ERANGE : 0; 253 } 254
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