AcoSail/kernel_optimize_test
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Staging: sxg: Fix sleep in atomic context warning while loading driver

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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>
This commit is contained in:
Mithlesh Thukral 2009-03-25 15:51:14 +05:30 committed by Greg Kroah-Hartman
parent 8d17e6ad81
commit cc4b8dfc3f
1 changed files with 5 additions and 0 deletions
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5
drivers/staging/sxg/sxg.c
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@ -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;