Message ID | 1449956585-17118-1-git-send-email-robert.jarzmik@free.fr (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Sat, Dec 12, 2015 at 10:43 PM, Robert Jarzmik <robert.jarzmik@free.fr> wrote: > The wrong free functions were used to release temporary buffers. > > This didn't show up in the normal driver's life. Yet in suspend to RAM, > the managed resource list is walked, and as memory was released, the > list is corrupted and make the kernel Oops. > > Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> > --- > Linus, if it's time, then this can fixup the commit. If not, I'll > provide a better commit message. I just applied it on top of my branch, removing the "fixup!" comment. It's enough of a commit message I think. Yours, Linus Walleij
diff --git a/drivers/pinctrl/pxa/pinctrl-pxa2xx.c b/drivers/pinctrl/pxa/pinctrl-pxa2xx.c index e01914460219..d90e205cf809 100644 --- a/drivers/pinctrl/pxa/pinctrl-pxa2xx.c +++ b/drivers/pinctrl/pxa/pinctrl-pxa2xx.c @@ -292,7 +292,7 @@ static int pxa2xx_build_functions(struct pxa_pinctrl *pctl) if (!pctl->functions) return -ENOMEM; - kfree(functions); + devm_kfree(pctl->dev, functions); return 0; } @@ -328,7 +328,7 @@ static int pxa2xx_build_groups(struct pxa_pinctrl *pctl) memcpy(func->groups, gtmp, ngroups * sizeof(*gtmp)); } - kfree(gtmp); + devm_kfree(pctl->dev, gtmp); return 0; }
The wrong free functions were used to release temporary buffers. This didn't show up in the normal driver's life. Yet in suspend to RAM, the managed resource list is walked, and as memory was released, the list is corrupted and make the kernel Oops. Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> --- Linus, if it's time, then this can fixup the commit. If not, I'll provide a better commit message. --- drivers/pinctrl/pxa/pinctrl-pxa2xx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)