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[backfire] backport mini_fo fixes from r22057

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git-svn-id: svn://svn.openwrt.org/openwrt/branches/backfire@22059 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2010-07-04 15:36:46 +00:00
parent 3b5ec501f5
commit 654a44e57b
2 changed files with 96 additions and 0 deletions
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48
target/linux/generic-2.6/patches-2.6.30/217-mini_fo_dentry_check.patch Normal file
View File

@ -0,0 +1,48 @@
--- a/fs/mini_fo/meta.c
+++ b/fs/mini_fo/meta.c
@@ -48,6 +48,9 @@ int meta_build_lists(dentry_t *dentry)
dtohd2(dentry),
strlen(META_FILENAME));
mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
+ if (IS_ERR(meta_dentry))
+ goto out_ok;
+
if(!meta_dentry->d_inode) {
dput(meta_dentry);
goto out_ok;
@@ -433,6 +436,8 @@ int meta_write_d_entry(dentry_t *dentry,
meta_dentry = lookup_one_len(META_FILENAME,
dtohd2(dentry), strlen (META_FILENAME));
mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
+ if (IS_ERR(meta_dentry))
+ return PTR_ERR(meta_dentry);
/* We need to create a META-file */
if(!meta_dentry->d_inode) {
@@ -538,6 +543,8 @@ int meta_write_r_entry(dentry_t *dentry,
dtohd2(dentry),
strlen (META_FILENAME));
mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
+ if (IS_ERR(meta_dentry))
+ return PTR_ERR(meta_dentry);
if(!meta_dentry->d_inode) {
/* We need to create a META-file */
@@ -656,6 +663,8 @@ int meta_sync_d_list(dentry_t *dentry, i
dtohd2(dentry),
strlen(META_FILENAME));
mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
+ if (IS_ERR(meta_dentry))
+ return PTR_ERR(meta_dentry);
if(!meta_dentry->d_inode) {
/* We need to create a META-file */
@@ -803,6 +812,8 @@ int meta_sync_r_list(dentry_t *dentry, i
dtohd2(dentry),
strlen(META_FILENAME));
mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
+ if (IS_ERR(meta_dentry))
+ return PTR_ERR(meta_dentry);
if(!meta_dentry->d_inode) {
/* We need to create a META-file */

48
target/linux/generic-2.6/patches-2.6.32/217-mini_fo_dentry_check.patch Normal file
View File

@ -0,0 +1,48 @@
--- a/fs/mini_fo/meta.c
+++ b/fs/mini_fo/meta.c
@@ -48,6 +48,9 @@ int meta_build_lists(dentry_t *dentry)
dtohd2(dentry),
strlen(META_FILENAME));
mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
+ if (IS_ERR(meta_dentry))
+ goto out_ok;
+
if(!meta_dentry->d_inode) {
dput(meta_dentry);
goto out_ok;
@@ -433,6 +436,8 @@ int meta_write_d_entry(dentry_t *dentry,
meta_dentry = lookup_one_len(META_FILENAME,
dtohd2(dentry), strlen (META_FILENAME));
mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
+ if (IS_ERR(meta_dentry))
+ return PTR_ERR(meta_dentry);
/* We need to create a META-file */
if(!meta_dentry->d_inode) {
@@ -538,6 +543,8 @@ int meta_write_r_entry(dentry_t *dentry,
dtohd2(dentry),
strlen (META_FILENAME));
mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
+ if (IS_ERR(meta_dentry))
+ return PTR_ERR(meta_dentry);
if(!meta_dentry->d_inode) {
/* We need to create a META-file */
@@ -656,6 +663,8 @@ int meta_sync_d_list(dentry_t *dentry, i
dtohd2(dentry),
strlen(META_FILENAME));
mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
+ if (IS_ERR(meta_dentry))
+ return PTR_ERR(meta_dentry);
if(!meta_dentry->d_inode) {
/* We need to create a META-file */
@@ -803,6 +812,8 @@ int meta_sync_r_list(dentry_t *dentry, i
dtohd2(dentry),
strlen(META_FILENAME));
mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
+ if (IS_ERR(meta_dentry))
+ return PTR_ERR(meta_dentry);
if(!meta_dentry->d_inode) {
/* We need to create a META-file */