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zonefs: Fix compilation warning

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Avoid the compilation warning "Variable 'ret' is reassigned a value
before the old one has been used." in zonefs_create_zgroup() by setting
ret for the error path only if an error happens.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
This commit is contained in:
Damien Le Moal 2020-07-20 17:52:52 +09:00
parent 5714ee50bb
commit 01b2651cfb
1 changed files with 7 additions and 3 deletions
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10
fs/zonefs/super.c
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@ -1119,7 +1119,7 @@ static int zonefs_create_zgroup(struct zonefs_zone_data *zd,
char *file_name;
struct dentry *dir;
unsigned int n = 0;
int ret = -ENOMEM;
int ret;
/* If the group is empty, there is nothing to do */
if (!zd->nr_zones[type])
@ -1135,8 +1135,10 @@ static int zonefs_create_zgroup(struct zonefs_zone_data *zd,
zgroup_name = "seq";
dir = zonefs_create_inode(sb->s_root, zgroup_name, NULL, type);
if (!dir)
if (!dir) {
ret = -ENOMEM;
goto free;
}
/*
* The first zone contains the super block: skip it.
@ -1174,8 +1176,10 @@ static int zonefs_create_zgroup(struct zonefs_zone_data *zd,
* Use the file number within its group as file name.
*/
snprintf(file_name, ZONEFS_NAME_MAX - 1, "%u", n);
if (!zonefs_create_inode(dir, file_name, zone, type))
if (!zonefs_create_inode(dir, file_name, zone, type)) {
ret = -ENOMEM;
goto free;
}
n++;
}