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authorMithlesh Thukral <mithlesh@linsyssoft.com>2009-03-25 15:51:14 +0530
committerGreg Kroah-Hartman <gregkh@suse.de>2009-04-17 11:06:31 -0700
commitcc4b8dfc3ff32f890cd5de0ce22de44f124d0d05 (patch)
tree87599f51989f80cb86f9da51ce75da0a10a88ff2 /drivers
parent8d17e6ad8113f7534d978b1b3511f62637483fcc (diff)
Staging: sxg: Fix sleep in atomic context warning while loading driver
Leave a spinlock before calling request_irq(). request_irq() calls kmalloc which can sleep. This was generating a warning dump while driver is loaded. Signed-off-by: LinSysSoft Sahara Team <saharaproj@linsyssoft.com> Signed-off-by: Mithlesh Thukral <mithlesh@linsyssoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/staging/sxg/sxg.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/staging/sxg/sxg.c b/drivers/staging/sxg/sxg.c
index d8edf42ac528..583fbb470e9d 100644
--- a/drivers/staging/sxg/sxg.c
+++ b/drivers/staging/sxg/sxg.c
@@ -322,6 +322,8 @@ int sxg_add_msi_isr(struct adapter_t *adapter)
int ret,i;
if (!adapter->intrregistered) {
+ spin_unlock_irqrestore(&sxg_global.driver_lock,
+ sxg_global.flags);
for (i=0; i<adapter->nr_msix_entries; i++) {
ret = request_irq (adapter->msi_entries[i].vector,
sxg_isr,
@@ -329,6 +331,8 @@ int sxg_add_msi_isr(struct adapter_t *adapter)
adapter->netdev->name,
adapter->netdev);
if (ret) {
+ spin_lock_irqsave(&sxg_global.driver_lock,
+ sxg_global.flags);
DBG_ERROR("sxg: MSI-X request_irq (%s) "
"FAILED [%x]\n", adapter->netdev->name,
ret);
@@ -336,6 +340,7 @@ int sxg_add_msi_isr(struct adapter_t *adapter)
}
}
}
+ spin_lock_irqsave(&sxg_global.driver_lock, sxg_global.flags);
adapter->msi_enabled = TRUE;
adapter->intrregistered = 1;
adapter->IntRegistered = TRUE;