| Message ID | 247066a3104d25f9a05de8b3270fc3c848763bcc.1647673264.git.christophe.jaillet@wanadoo.fr |
|---|---|
| State | New |
| Headers | show |
| Series | zorro: Fix a resource leak in zorro7xx_remove_one() | expand |
Hi Christophe, On Sat, Mar 19, 2022 at 8:01 AM Christophe JAILLET <christophe.jaillet@wanadoo.fr> wrote: > The error handling path of the probe releases a resource that is not freed > in the remove function. > > In some cases, a ioremap() must be undone. > > Add the missing iounmap() call in the remove function. > > Fixes: 45804fbb00ee ("[SCSI] 53c700: Amiga Zorro NCR53c710 SCSI") > Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Thanks for your patch! The online-summary should be "scsi: zorro7xx: Fix a resource leak in zorro7xx_remove_one()". Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
Le 21/03/2022 à 10:00, Geert Uytterhoeven a écrit : > Hi Christophe, > > On Sat, Mar 19, 2022 at 8:01 AM Christophe JAILLET > <christophe.jaillet@wanadoo.fr> wrote: >> The error handling path of the probe releases a resource that is not freed >> in the remove function. >> >> In some cases, a ioremap() must be undone. >> >> Add the missing iounmap() call in the remove function. >> >> Fixes: 45804fbb00ee ("[SCSI] 53c700: Amiga Zorro NCR53c710 SCSI") >> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> > > Thanks for your patch! > > The online-summary should be > "scsi: zorro7xx: Fix a resource leak in zorro7xx_remove_one()". Hi, should I send a V2 or can this be fixed when/if applied? CJ > > Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> > > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org > > In personal conversations with technical people, I call myself a hacker. But > when I'm talking to journalists I just say "programmer" or something like that. > -- Linus Torvalds >
Christophe, > The error handling path of the probe releases a resource that is not freed > in the remove function. Applied to 5.18/scsi-staging, thanks!
diff --git a/drivers/scsi/zorro7xx.c b/drivers/scsi/zorro7xx.c index 27b9e2baab1a..7acf9193a9e8 100644 --- a/drivers/scsi/zorro7xx.c +++ b/drivers/scsi/zorro7xx.c @@ -159,6 +159,8 @@ static void zorro7xx_remove_one(struct zorro_dev *z) scsi_remove_host(host); NCR_700_release(host); + if (host->base > 0x01000000) + iounmap(hostdata->base); kfree(hostdata); free_irq(host->irq, host); zorro_release_device(z);
The error handling path of the probe releases a resource that is not freed in the remove function. In some cases, a ioremap() must be undone. Add the missing iounmap() call in the remove function. Fixes: 45804fbb00ee ("[SCSI] 53c700: Amiga Zorro NCR53c710 SCSI") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> --- drivers/scsi/zorro7xx.c | 2 ++ 1 file changed, 2 insertions(+)