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Date: Thu, 8 Dec 2016 11:48:36 -0800 From: "Luis R. Rodriguez" <mcgrof@...nel.org> To: shuah@...nel.org, jeyu@...hat.com, rusty@...tcorp.com.au, ebiederm@...ssion.com, dmitry.torokhov@...il.com, acme@...hat.com, corbet@....net Cc: martin.wilck@...e.com, mmarek@...e.com, pmladek@...e.com, hare@...e.com, rwright@....com, jeffm@...e.com, DSterba@...e.com, fdmanana@...e.com, neilb@...e.com, linux@...ck-us.net, rgoldwyn@...e.com, subashab@...eaurora.org, xypron.glpk@....de, keescook@...omium.org, atomlin@...hat.com, mbenes@...e.cz, paulmck@...ux.vnet.ibm.com, dan.j.williams@...el.com, jpoimboe@...hat.com, davem@...emloft.net, mingo@...hat.com, akpm@...ux-foundation.org, torvalds@...ux-foundation.org, linux-kselftest@...r.kernel.org, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org, "Luis R. Rodriguez" <mcgrof@...nel.org> Subject: [RFC 05/10] kmod: return -EBUSY if modprobe limit is reached Running out of our modprobe limit is not a memory limit but a system specific established limitation set to avoid a possible recursive issue with modprobe. This gives userspace a better idea of what happened if we can't load a module, it could use this to wait and try again. Signed-off-by: Luis R. Rodriguez <mcgrof@...nel.org> --- kernel/kmod.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/kmod.c b/kernel/kmod.c index 049d7eabda38..ab38539f7e91 100644 --- a/kernel/kmod.c +++ b/kernel/kmod.c @@ -117,7 +117,7 @@ static int kmod_umh_threads_get(void) if (atomic_read(&kmod_concurrent) < max_modprobes) return 0; atomic_dec(&kmod_concurrent); - return -ENOMEM; + return -EBUSY; } static void kmod_umh_threads_put(void) -- 2.10.1
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