The patch titled
ext4: error proc entry creation when the fs/ext4 is not correctly created
has been added to the -mm tree. Its filename is
ext4-error-proc-entry-creation-when-the-fs-ext4-is-not-correctly-created.patch
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See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
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The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: ext4: error proc entry creation when the fs/ext4 is not correctly created
From: Shen Feng <shen@xxxxxxxxxxxxxx>
When the directory fs/ext4 is not correctly created under proc, the entry
under this directory should not be created.
Signed-off-by: Shen Feng <shen@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/ext4/mballoc.c | 4 ++++
1 file changed, 4 insertions(+)
diff -puN fs/ext4/mballoc.c~ext4-error-proc-entry-creation-when-the-fs-ext4-is-not-correctly-created fs/ext4/mballoc.c
--- a/fs/ext4/mballoc.c~ext4-error-proc-entry-creation-when-the-fs-ext4-is-not-correctly-created
+++ a/fs/ext4/mballoc.c
@@ -2645,6 +2645,10 @@ static int ext4_mb_init_per_dev_proc(str
struct proc_dir_entry *proc;
char devname[64];
+ if (proc_root_ext4 == NULL) {
+ sbi->s_mb_proc = NULL;
+ return -EINVAL;
+ }
bdevname(sb->s_bdev, devname);
sbi->s_mb_proc = proc_mkdir(devname, proc_root_ext4);
_
Patches currently in -mm which might be from shen@xxxxxxxxxxxxxx are
ext4-error-proc-entry-creation-when-the-fs-ext4-is-not-correctly-created.patch
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