tree 45b4347e82a64fc157f18e89a16375e48845c89d
parent c6771fce69c56c966cc2128b6093d8f2dfe49223
author Sujit Reddy Thumma <sthumma@codeaurora.org> 1363144767 +0530
committer Krishna Konda <kkonda@codeaurora.org> 1365704200 -0700

mmc: core: Fix NULL pointer dereference

mmc_signal_sdio_irq() should only be called when the function
driver registers for IRQ notification. In case, if any host
driver recieves a spurious interrupt and call mmc_signal_sdio_irq(),
ignore waking up uninitialized sdio irq thread.

CRs-Fixed: 472609
Change-Id: I831717fe80918538a18cc1f2300fe7fe2817c70f
Signed-off-by: Sujit Reddy Thumma <sthumma@codeaurora.org>
Signed-off-by: Krishna Konda <kkonda@codeaurora.org>