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| author | Serge E. Hallyn <serue@us.ibm.com> | 2006-09-29 02:01:18 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-29 09:18:22 -0700 |
| commit | a7422bf8a6feee6ec0c130fab7080df0cea86ebc (patch) | |
| tree | 2b624eed131e8ceafb0a711827144c817ff7bf2e /drivers/block | |
| parent | cdae9695870895dd6be4c7d6d31d8704ea27f064 (diff) | |
| download | blackbird-obmc-linux-a7422bf8a6feee6ec0c130fab7080df0cea86ebc.tar.gz blackbird-obmc-linux-a7422bf8a6feee6ec0c130fab7080df0cea86ebc.zip | |
[PATCH] loop: forward-port resource leak checks from Solar
Forward port of the patch by Solar and ported by Julio.
Compiles, boots, and passes my looptorturetest.sh.
Signed-off-by: Serge E. Hallyn <serue@us.ibm.com>
Cc: Julio Auto <mindvortex@gmail.com>
Cc: Solar Designer <solar@openwall.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/loop.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c index e87b88731adc..68b0471ad5a6 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -820,13 +820,22 @@ static int loop_set_fd(struct loop_device *lo, struct file *lo_file, lo->lo_number); if (IS_ERR(lo->lo_thread)) { error = PTR_ERR(lo->lo_thread); - lo->lo_thread = NULL; - goto out_putf; + goto out_clr; } lo->lo_state = Lo_bound; wake_up_process(lo->lo_thread); return 0; +out_clr: + lo->lo_thread = NULL; + lo->lo_device = NULL; + lo->lo_backing_file = NULL; + lo->lo_flags = 0; + set_capacity(disks[lo->lo_number], 0); + invalidate_bdev(bdev, 0); + bd_set_size(bdev, 0); + mapping_set_gfp_mask(mapping, lo->old_gfp_mask); + lo->lo_state = Lo_unbound; out_putf: fput(file); out: |
