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authorRusty Russell <rusty@rustcorp.com.au>2009-11-30 23:26:44 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-02 18:40:07 -0500
commitf066a4f6df68f03b565dfe867dde54dfeb26576e (patch)
tree16ed85810334bef0f428dbfa52d595e60dacc381 /init/main.c
parent86a7b7ef54650b99f7f638d6a6990fe7c0dfaaab (diff)
param: don't complain about unused module parameters.
Jon confirms that recent modprobe will look in /proc/cmdline, so these cmdline options can still be used. See http://bugzilla.kernel.org/show_bug.cgi?id=14164 Reported-by: Adam Williamson <awilliam@redhat.com> Cc: stable@kernel.org Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'init/main.c')
-rw-r--r--init/main.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/init/main.c b/init/main.c
index 5988debfc505..4051d75dd2d6 100644
--- a/init/main.c
+++ b/init/main.c
@@ -251,7 +251,7 @@ early_param("loglevel", loglevel);
251 251
252/* 252/*
253 * Unknown boot options get handed to init, unless they look like 253 * Unknown boot options get handed to init, unless they look like
254 * failed parameters 254 * unused parameters (modprobe will find them in /proc/cmdline).
255 */ 255 */
256static int __init unknown_bootoption(char *param, char *val) 256static int __init unknown_bootoption(char *param, char *val)
257{ 257{
@@ -272,14 +272,9 @@ static int __init unknown_bootoption(char *param, char *val)
272 if (obsolete_checksetup(param)) 272 if (obsolete_checksetup(param))
273 return 0; 273 return 0;
274 274
275 /* 275 /* Unused module parameter. */
276 * Preemptive maintenance for "why didn't my misspelled command 276 if (strchr(param, '.') && (!val || strchr(param, '.') < val))
277 * line work?"
278 */
279 if (strchr(param, '.') && (!val || strchr(param, '.') < val)) {
280 printk(KERN_ERR "Unknown boot option `%s': ignoring\n", param);
281 return 0; 277 return 0;
282 }
283 278
284 if (panic_later) 279 if (panic_later)
285 return 0; 280 return 0;