From 09b211886359057ebd815a9facea47261f15ccaf Mon Sep 17 00:00:00 2001
From: Lorenz Stechauner <lorenz.stechauner@necronda.net>
Date: Mon, 28 Dec 2020 13:53:18 +0100
Subject: [PATCH] Shared mem bugfix 2

---
 src/cache.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/cache.c b/src/cache.c
index ff86991..95af277 100644
--- a/src/cache.c
+++ b/src/cache.c
@@ -36,15 +36,6 @@ int cache_process() {
         return -1;
     }
 
-    struct shmid_ds info;
-    if (shmctl(shm_id, IPC_STAT, &info) < 0) goto shmctl_err;
-    info.shm_perm.mode = 0600;
-    if (shmctl(shm_id, IPC_SET, &info) < 0) {
-        shmctl_err:
-        fprintf(stderr, ERR_STR "Unable to update permissions for shared memory: %s" CLR_STR "\n", strerror(errno));
-        return -3;
-    }
-
     shmdt(cache);
     void *shm_rw = shmat(shm_id, NULL, 0);
     if (shm_rw == (void *) -1) {
@@ -168,6 +159,15 @@ int cache_init() {
         return -2;
     }
 
+    struct shmid_ds info;
+    if (shmctl(shm_id, IPC_STAT, &info) < 0) goto shmctl_err;
+    info.shm_perm.mode = 0600;
+    if (shmctl(shm_id, IPC_SET, &info) < 0) {
+        shmctl_err:
+        fprintf(stderr, ERR_STR "Unable to update permissions for shared memory: %s" CLR_STR "\n", strerror(errno));
+        return -6;
+    }
+
     void *shm = shmat(shm_id, NULL, SHM_RDONLY);
     if (shm == (void *) -1) {
         fprintf(stderr, ERR_STR "Unable to attach shared memory (ro): %s" CLR_STR "\n", strerror(errno));