X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=drivers%2Fstaging%2Flustre%2Flustre%2Flibcfs%2Fkernel_user_comm.c;h=1a052ac8524d7f9de51c60a4fdd3798988607b20;hb=50a10043fd4c12c008bc607d30a72b59d2f2dee9;hp=d8230aec9a2bf6fe9b83bc8e25711645229c0335;hpb=3e1e21c7bfcfa9bf06c07f48a13faca2f62b3339;p=cascardo%2Flinux.git

diff --git a/drivers/staging/lustre/lustre/libcfs/kernel_user_comm.c b/drivers/staging/lustre/lustre/libcfs/kernel_user_comm.c
index d8230aec9a2b..1a052ac8524d 100644
--- a/drivers/staging/lustre/lustre/libcfs/kernel_user_comm.c
+++ b/drivers/staging/lustre/lustre/libcfs/kernel_user_comm.c
@@ -186,7 +186,7 @@ int libcfs_kkuc_group_put(int group, void *payload)
 	int		 rc = 0;
 	int one_success = 0;
 
-	down_read(&kg_sem);
+	down_write(&kg_sem);
 	list_for_each_entry(reg, &kkuc_groups[group], kr_chain) {
 		if (reg->kr_fp != NULL) {
 			rc = libcfs_kkuc_msg_put(reg->kr_fp, payload);
@@ -198,7 +198,7 @@ int libcfs_kkuc_group_put(int group, void *payload)
 			}
 		}
 	}
-	up_read(&kg_sem);
+	up_write(&kg_sem);
 
 	/* don't return an error if the message has been delivered
 	 * at least to one agent */
@@ -230,12 +230,12 @@ int libcfs_kkuc_group_foreach(int group, libcfs_kkuc_cb_t cb_func,
 	if (kkuc_groups[group].next == NULL)
 		return 0;
 
-	down_write(&kg_sem);
+	down_read(&kg_sem);
 	list_for_each_entry(reg, &kkuc_groups[group], kr_chain) {
 		if (reg->kr_fp != NULL)
 			rc = cb_func(reg->kr_data, cb_arg);
 	}
-	up_write(&kg_sem);
+	up_read(&kg_sem);
 
 	return rc;
 }