sysfs: Removed dup_name entirely in sysfs_rename
Since no one using "dup_name", removed it completely in sysfs_rename. Signed-off-by: Sasikantha babu <sasikanth.v19@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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eb1574270a
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b4eafca113
1 changed files with 2 additions and 4 deletions
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@ -858,7 +858,6 @@ int sysfs_rename(struct sysfs_dirent *sd,
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struct sysfs_dirent *new_parent_sd, const void *new_ns,
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const char *new_name)
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{
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const char *dup_name = NULL;
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int error;
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mutex_lock(&sysfs_mutex);
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@ -875,11 +874,11 @@ int sysfs_rename(struct sysfs_dirent *sd,
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/* rename sysfs_dirent */
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if (strcmp(sd->s_name, new_name) != 0) {
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error = -ENOMEM;
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new_name = dup_name = kstrdup(new_name, GFP_KERNEL);
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new_name = kstrdup(new_name, GFP_KERNEL);
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if (!new_name)
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goto out;
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dup_name = sd->s_name;
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kfree(sd->s_name);
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sd->s_name = new_name;
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}
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@ -895,7 +894,6 @@ int sysfs_rename(struct sysfs_dirent *sd,
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error = 0;
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out:
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mutex_unlock(&sysfs_mutex);
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kfree(dup_name);
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return error;
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}
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