Commit d3561f78 authored Mar 24, 2006 by Andrew Morton Committed by Linus Torvalds Mar 24, 2006

[PATCH] RLIMIT_CPU: document wrong return value

Document the fact that setrlimit(RLIMIT_CPU) doesn't return error codes when
it should.  I don't think we can fix this without a 2.7.x..

Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Ulrich Weigand <uweigand@de.ibm.com>
Cc: Cliff Wickman <cpw@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent e0661111

kernel/sys.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -1656,6 +1656,13 @@ asmlinkage long sys_setrlimit(unsigned int resource, struct rlimit __user *rlim)

		if (resource != RLIMIT_CPU)
		goto out;

		/*
		* RLIMIT_CPU handling. Note that the kernel fails to return an error
		* code if it rejected the user's attempt to set RLIMIT_CPU. This is a
		* very long-standing error, and fixing it now risks breakage of
		* applications, so we live with it
		*/
		if (new_rlim.rlim_cur == RLIM_INFINITY)
		goto out;