diff options
| author | Alex Auvolat <alex.auvolat@ens.fr> | 2015-02-14 23:13:51 +0100 |
|---|---|---|
| committer | Alex Auvolat <alex.auvolat@ens.fr> | 2015-02-14 23:13:51 +0100 |
| commit | 817b7848dca5b7080ba53666eb2dd8f37b05453a (patch) | |
| tree | 73b5e37afe39e1bc05904685095d83a44d4bd353 /src/kernel/user | |
| parent | 73cf3eddd480f2bd7e987c58da82c243861a5314 (diff) | |
| download | kogata-817b7848dca5b7080ba53666eb2dd8f37b05453a.tar.gz kogata-817b7848dca5b7080ba53666eb2dd8f37b05453a.zip | |
Fix mchmap. Lesson : invalid pointer dereferences happen! with unexpected results.
Diffstat (limited to 'src/kernel/user')
| -rw-r--r-- | src/kernel/user/process.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/kernel/user/process.c b/src/kernel/user/process.c index 72042d9..fc608a7 100644 --- a/src/kernel/user/process.c +++ b/src/kernel/user/process.c @@ -220,7 +220,7 @@ bool mchmap(process_t *proc, void* addr, int mode) { // change mode on already mapped pages pagedir_t *save_pd = get_current_pagedir(); switch_pagedir(proc->pd); - for (void* it = r->addr; it < r->addr + r->size; r += PAGE_SIZE) { + for (void* it = r->addr; it < r->addr + r->size; it += PAGE_SIZE) { uint32_t ent = pd_get_entry(it); uint32_t frame = pd_get_frame(it); |