Messages in this thread Patch in this message | | | Date | Mon, 3 Feb 2003 18:31:53 +0100 | From | Pavel Machek <> | Subject | swsusp: do not panic on bad signature with noresume |
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Hi!
This patch makes kernel ignore bad signature on suspend device when "noresume" is given, and cleans things up a little bit. Please apply,
Pavel
--- clean/kernel/suspend.c 2003-01-17 23:12:24.000000000 +0100 +++ linux-swsusp/kernel/suspend.c 2003-02-03 17:51:25.000000000 +0100 @@ -1085,12 +1087,12 @@ else if (!memcmp("S2",cur->swh.magic.magic,2)) memcpy(cur->swh.magic.magic,"SWAPSPACE2",10); else { + if (noresume) + return -EINVAL; panic("%sUnable to find suspended-data signature (%.10s - misspelled?\n", name_resume, cur->swh.magic.magic); - /* We want to panic even with noresume -- we certainly don't want to add - out signature into your ext2 filesystem ;-) */ } - if(noresume) { + if (noresume) { /* We don't do a sanity check here: we want to restore the swap whatever version of kernel made the suspend image; We need to write swap, but swap is *not* enabled so @@ -1208,11 +1210,11 @@ /* We enable the possibility of machine suspend */ software_suspend_enabled = 1; #endif - if(!resume_status) + if (!resume_status) return; printk( "%s", name_resume ); - if(resume_status == NORESUME) { + if (resume_status == NORESUME) { if(resume_file[0]) read_suspend_image(resume_file, 1); printk( "disabled\n" ); @@ -1241,7 +1243,7 @@ static int __init resume_setup(char *str) { - if(resume_status) + if (resume_status == NORESUME) return 1; strncpy( resume_file, str, 255 ); @@ -1250,16 +1252,13 @@ return 1; } -static int __init software_noresume(char *str) +static int __init noresume_setup(char *str) { - if(!resume_status) - printk(KERN_WARNING "noresume option lacks a resume= option\n"); resume_status = NORESUME; - return 1; } -__setup("noresume", software_noresume); +__setup("noresume", noresume_setup); __setup("resume=", resume_setup); EXPORT_SYMBOL(software_suspend); -- Worst form of spam? Adding advertisment signatures ala sourceforge.net. What goes next? Inserting advertisment *into* email? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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