Attachment 154366 Details for Bug 239508 – This patch adds a --proc-modules option to specify an alternate location

[patch] This patch adds a --proc-modules option to specify an alternate location

module-init-tools-add-proc-modules-opt.patch (text/plain), 4.84 KB, created by Philip Pokorny on 2007-05-09 00:13:14 UTC

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Creator: Philip Pokorny

Created: 2007-05-09 00:13:14 UTC

Size: 4.84 KB

patch

obsolete

>--- module-init-tools-3.1-pre5/modprobe.c.orig	2007-05-08 13:39:41.000000000 -0700
>+++ module-init-tools-3.1-pre5/modprobe.c	2007-05-08 16:44:21.000000000 -0700
>@@ -357,16 +357,19 @@
> 	}
> }
> 
>-/* Is module in /proc/modules?  If so, fill in usecount if not NULL. 
>+/* Is module in the specified file (typically /proc/modules)?  If so, fill in usecount if not NULL. 
>    0 means no, 1 means yes, -1 means unknown.
>  */
>-static int module_in_kernel(const char *modname, int *usecount)
>+static int module_in_kernel(const char *modname, char *proc_filename, int *usecount)
> {
> 	FILE *proc_modules;
> 	char *line;
> 
>+	/* No file to search */
>+        if( !proc_filename )
>+		return -1;
> 	/* Might not be mounted yet.  Don't fail. */
>-	proc_modules = fopen("/proc/modules", "r");
>+	proc_modules = fopen(proc_filename, "r");
> 	if (!proc_modules)
> 		return -1;
> 
>@@ -718,7 +721,7 @@
> 		   const struct module_options *options,
> 		   const struct module_command *commands,
> 		   int ignore_commands,
>-		   int ignore_proc,
>+		   char * proc_filename,
> 		   int strip_vermagic,
> 		   int strip_modversion)
> {
>@@ -735,7 +738,7 @@
> 	 * they fail. */
> 	if (!list_empty(list)) {
> 		insmod(list, NOFAIL(strdup("")), NULL, 0, warn,
>-		       dry_run, verbose, options, commands, 0, ignore_proc,
>+		       dry_run, verbose, options, commands, 0, proc_filename,
> 		       strip_vermagic, strip_modversion);
> 	}
> 
>@@ -747,8 +750,8 @@
> 	}
> 
> 	/* Don't do ANYTHING if already in kernel. */
>-	if (!ignore_proc
>-	    && module_in_kernel(newname ?: mod->modname, NULL) == 1)
>+	if (!proc_filename
>+	    && module_in_kernel(newname ?: mod->modname, proc_filename, NULL) == 1)
> 		goto exists_error;
> 
> 	command = find_command(mod->modname, commands);
>@@ -841,7 +844,7 @@
> 		goto remove_rest_no_unlock;
> 	}
> 
>-	if (module_in_kernel(name, &usecount) == 0)
>+	if (module_in_kernel(name, proc_filename, &usecount) == 0)
> 		goto nonexistent_module;
> 
> 	if (usecount != 0) {
>@@ -1216,6 +1219,7 @@
> 				   { "set-version", 1, NULL, 'S' },
> 				   { "show-depends", 0, NULL, 'D' },
> 				   { "first-time", 0, NULL, 3 },
>+				   { "proc-modules", 1, NULL, 'p' },
> 				   { NULL, 0, NULL, 0 } };
> 
> 
>@@ -1249,7 +1253,7 @@
> 	int ignore_commands = 0;
> 	int strip_vermagic = 0;
> 	int strip_modversion = 0;
>-	int ignore_proc = 0;
>+	int proc_filename = "/proc/modules" ;
> 	int first_time = 0;
> 	unsigned int i, num_modules;
> 	char *type = NULL;
>@@ -1272,7 +1276,7 @@
> 		try_old_version("modprobe", argv);
> 
> 	uname(&buf);
>-	while ((opt = getopt_long(argc, argv, "vVC:o:rknqQsclt:aif", options, NULL)) != -1){
>+	while ((opt = getopt_long(argc, argv, "vVC:o:rknqQsclt:aifDp", options, NULL)) != -1){
> 		switch (opt) {
> 		case 'v':
> 			add_to_env_var("-v");
>@@ -1314,7 +1318,7 @@
> 			break;
> 		case 'D':
> 			dry_run = 1;
>-			ignore_proc = 1;
>+			proc_filename = NULL;
> 			verbose = 1;
> 			add_to_env_var("-D");
> 			break;
>@@ -1354,6 +1358,11 @@
> 			strip_vermagic = 1;
> 			strip_modversion = 1;
> 			break;
>+		case 'p':
>+			proc_modules = optarg ;
>+			add_to_env_var("-p");
>+			add_to_env_var(proc_modules);
>+			break ;
> 		case 1:
> 			strip_vermagic = 1;
> 			break;
>@@ -1480,7 +1489,7 @@
> 		else
> 			insmod(&list, NOFAIL(strdup(optstring)), newname,
> 			       first_time, error, dry_run, verbose, modoptions,
>-			       commands, ignore_commands, ignore_proc,
>+			       commands, ignore_commands, proc_filename,
> 			       strip_vermagic, strip_modversion);
> 		free(modname);
> 	}
>--- module-init-tools-3.1-pre5/modprobe.8.orig	2007-05-08 16:39:24.000000000 -0700
>+++ module-init-tools-3.1-pre5/modprobe.8	2007-05-08 16:45:19.000000000 -0700
>@@ -9,7 +9,7 @@
> modprobe \- program to add and remove modules from the Linux Kernel
> .SH SYNOPSIS
> 
>-\fBmodprobe\fR [ \fB-v\fR ] [ \fB-V\fR ] [ \fB-C \fIconfig-file\fB\fR ] [ \fB-n\fR ] [ \fB-i\fR ] [ \fB-q\fR ] [ \fB-o \fImodulename\fB\fR ] [ \fB\fImodulename\fB\fR ] [ \fB\fImodule parameters\fB\fR\fI ...\fR ]
>+\fBmodprobe\fR [ \fB-v\fR ] [ \fB-V\fR ] [ \fB-C \fIconfig-file\fB\fR ] [ \fB-p \fImodules-file\fB\fR ] [ \fB-n\fR ] [ \fB-i\fR ] [ \fB-q\fR ] [ \fB-o \fImodulename\fB\fR ] [ \fB\fImodulename\fB\fR ] [ \fB\fImodule parameters\fB\fR\fI ...\fR ]
> 
> 
> \fBmodprobe\fR [ \fB-r\fR ] [ \fB-v\fR ] [ \fB-n\fR ] [ \fB-i\fR ] [ \fB\fImodulename\fB\fR\fI ...\fR ]
>@@ -186,7 +186,7 @@
> compatibility checks (so 
> \fBmodprobe.old\fR(8) will never be run).
> .TP
>-\fB--show-depends \fR
>+\fB-D --show-depends \fR
> List the dependencies of a module (or alias), including
> the module itself.  This produces a (possibly empty) set
> of module filenames, one per line.  It does not run any
>@@ -212,6 +212,11 @@
> want to know whether \fBmodprobe\fR really
> did something: this option makes modprobe fail for that
> case.
>+.TP
>+\fB-p --proc-modules \fR
>+Specify an alternate filename to use for the currently
>+loaded module information that would normally be read from
>+/proc/modules.
> .SH "BACKWARDS COMPATIBILITY"
> .PP
> This version of \fBmodprobe\fR is for kernels

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Attachments on bug 239508: 154366 | 154369