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authorIngo Molnar <mingo@elte.hu>2008-10-28 16:26:12 +0100
committerIngo Molnar <mingo@elte.hu>2008-10-28 16:26:12 +0100
commit7a9787e1eba95a166265e6a260cf30af04ef0a99 (patch)
treee730a4565e0318140d2fbd2f0415d18a339d7336 /fs/readdir.c
parent41b9eb264c8407655db57b60b4457fe1b2ec9977 (diff)
parent0173a3265b228da319ceb9c1ec6a5682fd1b2d92 (diff)
Merge commit 'v2.6.28-rc2' into x86/pci-ioapic-boot-irq-quirks
Diffstat (limited to 'fs/readdir.c')
-rw-r--r--fs/readdir.c30
1 files changed, 14 insertions, 16 deletions
diff --git a/fs/readdir.c b/fs/readdir.c
index 4e026e5407fb..b318d9b5af2e 100644
--- a/fs/readdir.c
+++ b/fs/readdir.c
@@ -80,8 +80,10 @@ static int fillonedir(void * __buf, const char * name, int namlen, loff_t offset
if (buf->result)
return -EINVAL;
d_ino = ino;
- if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
+ if (sizeof(d_ino) < sizeof(ino) && d_ino != ino) {
+ buf->result = -EOVERFLOW;
return -EOVERFLOW;
+ }
buf->result++;
dirent = buf->dirent;
if (!access_ok(VERIFY_WRITE, dirent,
@@ -115,7 +117,7 @@ asmlinkage long old_readdir(unsigned int fd, struct old_linux_dirent __user * di
buf.dirent = dirent;
error = vfs_readdir(file, fillonedir, &buf);
- if (error >= 0)
+ if (buf.result)
error = buf.result;
fput(file);
@@ -155,8 +157,10 @@ static int filldir(void * __buf, const char * name, int namlen, loff_t offset,
if (reclen > buf->count)
return -EINVAL;
d_ino = ino;
- if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
+ if (sizeof(d_ino) < sizeof(ino) && d_ino != ino) {
+ buf->error = -EOVERFLOW;
return -EOVERFLOW;
+ }
dirent = buf->previous;
if (dirent) {
if (__put_user(offset, &dirent->d_off))
@@ -205,9 +209,8 @@ asmlinkage long sys_getdents(unsigned int fd, struct linux_dirent __user * diren
buf.error = 0;
error = vfs_readdir(file, filldir, &buf);
- if (error < 0)
- goto out_putf;
- error = buf.error;
+ if (error >= 0)
+ error = buf.error;
lastdirent = buf.previous;
if (lastdirent) {
if (put_user(file->f_pos, &lastdirent->d_off))
@@ -215,8 +218,6 @@ asmlinkage long sys_getdents(unsigned int fd, struct linux_dirent __user * diren
else
error = count - buf.count;
}
-
-out_putf:
fput(file);
out:
return error;
@@ -289,19 +290,16 @@ asmlinkage long sys_getdents64(unsigned int fd, struct linux_dirent64 __user * d
buf.error = 0;
error = vfs_readdir(file, filldir64, &buf);
- if (error < 0)
- goto out_putf;
- error = buf.error;
+ if (error >= 0)
+ error = buf.error;
lastdirent = buf.previous;
if (lastdirent) {
typeof(lastdirent->d_off) d_off = file->f_pos;
- error = -EFAULT;
if (__put_user(d_off, &lastdirent->d_off))
- goto out_putf;
- error = count - buf.count;
+ error = -EFAULT;
+ else
+ error = count - buf.count;
}
-
-out_putf:
fput(file);
out:
return error;