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procfs: check parent entry to avoid page fault in procfs_exit()

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Balazs Gerofi
2015-01-31 22:27:04 -08:00
parent 5f5ab34559
commit a5bdd41c3d
1 changed files with 3 additions and 1 deletions
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4
executer/kernel/procfs.c
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@@ -462,7 +462,9 @@ void procfs_exit(int osnum) {
} else { } else {
r += 1; r += 1;
} }
remove_proc_entry(r, parent->entry); if (parent) {
remove_proc_entry(r, parent->entry);
}
dprintk("free the entry\n"); dprintk("free the entry\n");
kfree(e); kfree(e);
} }