Commit d3561f78 authored by Andrew Morton's avatar Andrew Morton Committed by Linus Torvalds

[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: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent e0661111
...@@ -1656,6 +1656,13 @@ asmlinkage long sys_setrlimit(unsigned int resource, struct rlimit __user *rlim) ...@@ -1656,6 +1656,13 @@ asmlinkage long sys_setrlimit(unsigned int resource, struct rlimit __user *rlim)
if (resource != RLIMIT_CPU) if (resource != RLIMIT_CPU)
goto out; 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) if (new_rlim.rlim_cur == RLIM_INFINITY)
goto out; goto out;
......
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