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[PATCH] futex: Apply recent futex fixes to futex_compat
The recent fixups in futex.c need to be applied to futex_compat.c too. Fixes a hang reported by Olaf. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Olaf Hering <olh@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -39,7 +39,7 @@ void compat_exit_robust_list(struct task_struct *curr)
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{
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struct compat_robust_list_head __user *head = curr->compat_robust_list;
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struct robust_list __user *entry, *pending;
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unsigned int limit = ROBUST_LIST_LIMIT, pi;
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unsigned int limit = ROBUST_LIST_LIMIT, pi, pip;
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compat_uptr_t uentry, upending;
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compat_long_t futex_offset;
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@ -59,10 +59,10 @@ void compat_exit_robust_list(struct task_struct *curr)
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* if it exists:
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*/
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if (fetch_robust_entry(&upending, &pending,
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&head->list_op_pending, &pi))
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&head->list_op_pending, &pip))
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return;
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if (upending)
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handle_futex_death((void *)pending + futex_offset, curr, pi);
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handle_futex_death((void *)pending + futex_offset, curr, pip);
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while (compat_ptr(uentry) != &head->list) {
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/*
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