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f2fs: use kfree() to free variables allocated by match_strdup() 

Use kfree() instead of kvfree() to free variables allocated
by match_strdup(). Because the memory is allocated with kmalloc
inside match_strdup().

Signed-off-by: Wang Xiaojun <wangxiaojun11@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Wang Xiaojun 2020-06-17 20:30:12 +08:00 committed by Jaegeuk Kim
parent da52f8ade4
commit ba87a45c23
1 changed files with 18 additions and 18 deletions
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36
fs/f2fs/super.c
View File

@ -348,7 +348,7 @@ static int f2fs_set_qf_name(struct super_block *sb, int qtype,
set_opt(sbi, QUOTA);
return 0;
errout:
kvfree(qname);
kfree(qname);
return ret;
}
@ -360,7 +360,7 @@ static int f2fs_clear_qf_name(struct super_block *sb, int qtype)
f2fs_err(sbi, "Cannot change journaled quota options when quota turned on");
return -EINVAL;
}
kvfree(F2FS_OPTION(sbi).s_qf_names[qtype]);
kfree(F2FS_OPTION(sbi).s_qf_names[qtype]);
F2FS_OPTION(sbi).s_qf_names[qtype] = NULL;
return 0;
}
@ -494,10 +494,10 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
} else if (!strcmp(name, "sync")) {
F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_SYNC;
} else {
kvfree(name);
kfree(name);
return -EINVAL;
}
kvfree(name);
kfree(name);
break;
case Opt_disable_roll_forward:
set_opt(sbi, DISABLE_ROLL_FORWARD);
@ -654,17 +654,17 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
if (!strcmp(name, "adaptive")) {
if (f2fs_sb_has_blkzoned(sbi)) {
f2fs_warn(sbi, "adaptive mode is not allowed with zoned block device feature");
kvfree(name);
kfree(name);
return -EINVAL;
}
F2FS_OPTION(sbi).fs_mode = FS_MODE_ADAPTIVE;
} else if (!strcmp(name, "lfs")) {
F2FS_OPTION(sbi).fs_mode = FS_MODE_LFS;
} else {
kvfree(name);
kfree(name);
return -EINVAL;
}
kvfree(name);
kfree(name);
break;
case Opt_io_size_bits:
if (args->from && match_int(args, &arg))
@ -790,10 +790,10 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
} else if (!strcmp(name, "fs-based")) {
F2FS_OPTION(sbi).whint_mode = WHINT_MODE_FS;
} else {
kvfree(name);
kfree(name);
return -EINVAL;
}
kvfree(name);
kfree(name);
break;
case Opt_alloc:
name = match_strdup(&args[0]);
@ -805,10 +805,10 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
} else if (!strcmp(name, "reuse")) {
F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE;
} else {
kvfree(name);
kfree(name);
return -EINVAL;
}
kvfree(name);
kfree(name);
break;
case Opt_fsync:
name = match_strdup(&args[0]);
@ -822,10 +822,10 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
F2FS_OPTION(sbi).fsync_mode =
FSYNC_MODE_NOBARRIER;
} else {
kvfree(name);
kfree(name);
return -EINVAL;
}
kvfree(name);
kfree(name);
break;
case Opt_test_dummy_encryption:
ret = f2fs_set_test_dummy_encryption(sb, p, &args[0],
@ -1250,7 +1250,7 @@ static void f2fs_put_super(struct super_block *sb)
mempool_destroy(sbi->write_io_dummy);
#ifdef CONFIG_QUOTA
for (i = 0; i < MAXQUOTAS; i++)
kvfree(F2FS_OPTION(sbi).s_qf_names[i]);
kfree(F2FS_OPTION(sbi).s_qf_names[i]);
#endif
fscrypt_free_dummy_context(&F2FS_OPTION(sbi).dummy_enc_ctx);
destroy_percpu_info(sbi);
@ -1754,7 +1754,7 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
GFP_KERNEL);
if (!org_mount_opt.s_qf_names[i]) {
for (j = 0; j < i; j++)
kvfree(org_mount_opt.s_qf_names[j]);
kfree(org_mount_opt.s_qf_names[j]);
return -ENOMEM;
}
} else {
@ -1879,7 +1879,7 @@ skip:
#ifdef CONFIG_QUOTA
/* Release old quota file names */
for (i = 0; i < MAXQUOTAS; i++)
kvfree(org_mount_opt.s_qf_names[i]);
kfree(org_mount_opt.s_qf_names[i]);
#endif
/* Update the POSIXACL Flag */
sb->s_flags = (sb->s_flags & ~SB_POSIXACL) |
@ -1900,7 +1900,7 @@ restore_opts:
#ifdef CONFIG_QUOTA
F2FS_OPTION(sbi).s_jquota_fmt = org_mount_opt.s_jquota_fmt;
for (i = 0; i < MAXQUOTAS; i++) {
kvfree(F2FS_OPTION(sbi).s_qf_names[i]);
kfree(F2FS_OPTION(sbi).s_qf_names[i]);
F2FS_OPTION(sbi).s_qf_names[i] = org_mount_opt.s_qf_names[i];
}
#endif
@ -3811,7 +3811,7 @@ free_bio_info:
free_options:
#ifdef CONFIG_QUOTA
for (i = 0; i < MAXQUOTAS; i++)
kvfree(F2FS_OPTION(sbi).s_qf_names[i]);
kfree(F2FS_OPTION(sbi).s_qf_names[i]);
#endif
fscrypt_free_dummy_context(&F2FS_OPTION(sbi).dummy_enc_ctx);
kvfree(options);