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| author |   David Rientjes <rientjes@google.com> | 2007-09-27 13:41:17 -0700 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@suse.de> | 2007-10-12 15:03:17 -0700 |
| commit | ecb3908046ce9ce7feb44e2c2cf77ccdbe231f70 (patch) | |
| tree | f890bb10d570e253e1ee29850e36c94512cabcec /drivers/pci | |
| parent | pci: use size stored in proc_dir_entry for proc bus files (diff) | |
| download | linux-dev-ecb3908046ce9ce7feb44e2c2cf77ccdbe231f70.tar.xz linux-dev-ecb3908046ce9ce7feb44e2c2cf77ccdbe231f70.zip | |
pci: write file size to inode on proc bus file write
When a /proc/bus/pci file is written to, the size of that PCI device's
configuration space must be written to the inode. Otherwise, it is
possible for the file to specify a size of 0 on stat if a task is holding
the same file open.
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/proc.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c index 73714db6995e..716439e25dd2 100644 --- a/drivers/pci/proc.c +++ b/drivers/pci/proc.c @@ -129,7 +129,7 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp static ssize_t proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, loff_t *ppos) { - const struct inode *ino = file->f_path.dentry->d_inode; + struct inode *ino = file->f_path.dentry->d_inode; const struct proc_dir_entry *dp = PDE(ino); struct pci_dev *dev = dp->data; int pos = *ppos; @@ -193,6 +193,7 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof } *ppos = pos; + i_size_write(ino, dp->size); return nbytes; } |