On Tue, 19 Mar 2013 13:31:18 +0400 Vladimir Davydov <vdavy...@parallels.com> wrote:
> mnt_drop_write() must be called only if mnt_want_write() succeeded, > otherwise the mnt_writers counter will diverge. > > ... > > --- a/ipc/mqueue.c > +++ b/ipc/mqueue.c > @@ -840,7 +840,8 @@ out_putfd: > fd = error; > } > mutex_unlock(&root->d_inode->i_mutex); > - mnt_drop_write(mnt); > + if (!ro) > + mnt_drop_write(mnt); > out_putname: > putname(name); > return fd; huh, that's been there for a while. What were the runtime-visible effects of the bug? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
