49 lines
1.6 KiB
Diff
49 lines
1.6 KiB
Diff
--- a/fs/mini_fo/meta.c
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+++ b/fs/mini_fo/meta.c
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@@ -48,6 +48,9 @@ int meta_build_lists(dentry_t *dentry)
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dtohd2(dentry),
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strlen(META_FILENAME));
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mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
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+ if (IS_ERR(meta_dentry))
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+ goto out_ok;
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+
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if(!meta_dentry->d_inode) {
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dput(meta_dentry);
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goto out_ok;
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@@ -433,6 +436,8 @@ int meta_write_d_entry(dentry_t *dentry,
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meta_dentry = lookup_one_len(META_FILENAME,
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dtohd2(dentry), strlen (META_FILENAME));
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mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
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+ if (IS_ERR(meta_dentry))
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+ return PTR_ERR(meta_dentry);
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/* We need to create a META-file */
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if(!meta_dentry->d_inode) {
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@@ -538,6 +543,8 @@ int meta_write_r_entry(dentry_t *dentry,
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dtohd2(dentry),
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strlen (META_FILENAME));
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mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
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+ if (IS_ERR(meta_dentry))
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+ return PTR_ERR(meta_dentry);
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if(!meta_dentry->d_inode) {
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/* We need to create a META-file */
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@@ -656,6 +663,8 @@ int meta_sync_d_list(dentry_t *dentry, i
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dtohd2(dentry),
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strlen(META_FILENAME));
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mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
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+ if (IS_ERR(meta_dentry))
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+ return PTR_ERR(meta_dentry);
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if(!meta_dentry->d_inode) {
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/* We need to create a META-file */
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@@ -803,6 +812,8 @@ int meta_sync_r_list(dentry_t *dentry, i
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dtohd2(dentry),
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strlen(META_FILENAME));
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mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
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+ if (IS_ERR(meta_dentry))
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+ return PTR_ERR(meta_dentry);
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if(!meta_dentry->d_inode) {
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/* We need to create a META-file */
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