From: Andrew Morton Date: Thu, 26 Apr 2007 08:36:49 +0000 (-0700) Subject: [IRDA] irda_device_dongle_init: fix kzalloc(GFP_KERNEL) in spinlock X-Git-Tag: firefly_0821_release~30278^2~37 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1c8ea5aee0b16409295d96a5e8984bd902f06a77;p=firefly-linux-kernel-4.4.55.git [IRDA] irda_device_dongle_init: fix kzalloc(GFP_KERNEL) in spinlock Fix http://bugzilla.kernel.org/show_bug.cgi?id=8343 Signed-off-by: Andrew Morton Signed-off-by: Samuel Ortiz Signed-off-by: David S. Miller --- diff --git a/net/irda/irda_device.c b/net/irda/irda_device.c index e717801b38f9..7b5def1ea633 100644 --- a/net/irda/irda_device.c +++ b/net/irda/irda_device.c @@ -375,7 +375,7 @@ EXPORT_SYMBOL(alloc_irdadev); dongle_t *irda_device_dongle_init(struct net_device *dev, int type) { struct dongle_reg *reg; - dongle_t *dongle = NULL; + dongle_t *dongle = kzalloc(sizeof(dongle_t), GFP_KERNEL); might_sleep(); @@ -397,19 +397,14 @@ dongle_t *irda_device_dongle_init(struct net_device *dev, int type) if (!reg || !try_module_get(reg->owner) ) { IRDA_ERROR("IrDA: Unable to find requested dongle type %x\n", type); - goto out; + kfree(dongle); + dongle = NULL; + } + if (dongle) { + /* Bind the registration info to this particular instance */ + dongle->issue = reg; + dongle->dev = dev; } - - /* Allocate dongle info for this instance */ - dongle = kzalloc(sizeof(dongle_t), GFP_KERNEL); - if (!dongle) - goto out; - - /* Bind the registration info to this particular instance */ - dongle->issue = reg; - dongle->dev = dev; - - out: spin_unlock(&dongles->hb_spinlock); return dongle; }