Re: [PATCH] brcmfmac: fix error handling of irq_of_parse_and_map

2014-11-16 Thread Arend van Spriel

On 11/14/14 23:12, Dmitry Torokhov wrote:

Return value of irq_of_parse_and_map() is unsigned int, with 0
indicating failure, so testing for negative result never works.


Whoops, that is bad. Thanks for catching this. It probably needs to go 
to stable as well for 3.17 kernel.


+Cc: sta...@vger.kernel.org # v3.17
+Acked-by: Arend van Spriel ar...@broadcom.com

Signed-off-by: Dmitry Torokhovd...@chromium.org
---

Not tested, found by casual code inspection.

  drivers/net/wireless/brcm80211/brcmfmac/of.c | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/of.c 
b/drivers/net/wireless/brcm80211/brcmfmac/of.c
index eb3fce82..c824570 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/of.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/of.c
@@ -40,8 +40,8 @@ void brcmf_of_probe(struct brcmf_sdio_dev *sdiodev)
return;

irq = irq_of_parse_and_map(np, 0);
-   if (irq  0) {
-   brcmf_err(interrupt could not be mapped: err=%d\n, irq);
+   if (!irq) {
+   brcmf_err(interrupt could not be mapped\n);
devm_kfree(dev, sdiodev-pdata);
return;
}


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[PATCH] brcmfmac: fix error handling of irq_of_parse_and_map

2014-11-14 Thread Dmitry Torokhov
Return value of irq_of_parse_and_map() is unsigned int, with 0
indicating failure, so testing for negative result never works.

Signed-off-by: Dmitry Torokhov d...@chromium.org
---

Not tested, found by casual code inspection.

 drivers/net/wireless/brcm80211/brcmfmac/of.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/of.c 
b/drivers/net/wireless/brcm80211/brcmfmac/of.c
index eb3fce82..c824570 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/of.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/of.c
@@ -40,8 +40,8 @@ void brcmf_of_probe(struct brcmf_sdio_dev *sdiodev)
return;
 
irq = irq_of_parse_and_map(np, 0);
-   if (irq  0) {
-   brcmf_err(interrupt could not be mapped: err=%d\n, irq);
+   if (!irq) {
+   brcmf_err(interrupt could not be mapped\n);
devm_kfree(dev, sdiodev-pdata);
return;
}
-- 
2.1.0.rc2.206.gedb03e5


-- 
Dmitry
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