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authorArvind Sankar <nivedita@alum.mit.edu>2020-01-30 22:17:16 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2020-01-31 10:30:41 -0800
commit7e2762e1d9f4b9cb67ed6c3b7aff2020c367d4ac (patch)
treed051cdb612d14dec6fd20b09f60daa4643891afe /init
parentb88c50ac304a14f14e70c4ad22577b6b84632d5e (diff)
init/main.c: remove unnecessary repair_env_string in do_initcall_level
Since commit 08746a65c296 ("init: fix in-place parameter modification regression"), parse_args in do_initcall_level is called on a copy of saved_command_line. It is unnecessary to call repair_env_string during this parsing, as this copy is not used for anything later. Remove the now unnecessary arguments from repair_env_string as well. Link: http://lkml.kernel.org/r/20191212180023.24339-3-nivedita@alum.mit.edu Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu> Cc: Krzysztof Mazur <krzysiek@podlesie.net> Cc: Chris Metcalf <cmetcalf@tilera.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'init')
-rw-r--r--init/main.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/init/main.c b/init/main.c
index 424d88fef08e..51fced4ca87a 100644
--- a/init/main.c
+++ b/init/main.c
@@ -246,8 +246,7 @@ static int __init loglevel(char *str)
early_param("loglevel", loglevel);
/* Change NUL term back to "=", to make "param" the whole string. */
-static int __init repair_env_string(char *param, char *val,
- const char *unused, void *arg)
+static void __init repair_env_string(char *param, char *val)
{
if (val) {
/* param=val or param="val"? */
@@ -260,7 +259,6 @@ static int __init repair_env_string(char *param, char *val,
} else
BUG();
}
- return 0;
}
/* Anything after -- gets handed straight to init. */
@@ -272,7 +270,7 @@ static int __init set_init_arg(char *param, char *val,
if (panic_later)
return 0;
- repair_env_string(param, val, unused, NULL);
+ repair_env_string(param, val);
for (i = 0; argv_init[i]; i++) {
if (i == MAX_INIT_ARGS) {
@@ -292,7 +290,7 @@ static int __init set_init_arg(char *param, char *val,
static int __init unknown_bootoption(char *param, char *val,
const char *unused, void *arg)
{
- repair_env_string(param, val, unused, NULL);
+ repair_env_string(param, val);
/* Handle obsolete-style parameters */
if (obsolete_checksetup(param))
@@ -991,6 +989,12 @@ static const char *initcall_level_names[] __initdata = {
"late",
};
+static int __init ignore_unknown_bootoption(char *param, char *val,
+ const char *unused, void *arg)
+{
+ return 0;
+}
+
static void __init do_initcall_level(int level)
{
initcall_entry_t *fn;
@@ -1000,7 +1004,7 @@ static void __init do_initcall_level(int level)
initcall_command_line, __start___param,
__stop___param - __start___param,
level, level,
- NULL, &repair_env_string);
+ NULL, ignore_unknown_bootoption);
trace_initcall_level(initcall_level_names[level]);
for (fn = initcall_levels[level]; fn < initcall_levels[level+1]; fn++)