From 329f22371460587c59b866dcbffce5b498b61f38 Mon Sep 17 00:00:00 2001 From: Tanmay Upadhyay Date: Wed, 14 Sep 2011 11:29:02 +0530 Subject: [PATCH] mmc: sdhci-pxa: Check pdata before using its members Signed-off-by: Tanmay Upadhyay Acked-by: Zhangfei Gao Signed-off-by: Chris Ball --- drivers/mmc/host/sdhci-pxav2.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/host/sdhci-pxav2.c b/drivers/mmc/host/sdhci-pxav2.c index 38f58994f79a..1114fe2f0a57 100644 --- a/drivers/mmc/host/sdhci-pxav2.c +++ b/drivers/mmc/host/sdhci-pxav2.c @@ -59,7 +59,7 @@ static void pxav2_set_private_registers(struct sdhci_host *host, u8 mask) * tune timing of read data/command when crc error happen * no performance impact */ - if (pdata->clk_delay_sel == 1) { + if (pdata && pdata->clk_delay_sel == 1) { tmp = readw(host->ioaddr + SD_CLOCK_BURST_SIZE_SETUP); tmp &= ~(SDCLK_DELAY_MASK << SDCLK_DELAY_SHIFT); @@ -71,7 +71,7 @@ static void pxav2_set_private_registers(struct sdhci_host *host, u8 mask) writew(tmp, host->ioaddr + SD_CLOCK_BURST_SIZE_SETUP); } - if (pdata->flags & PXA_FLAG_ENABLE_CLOCK_GATING) { + if (pdata && (pdata->flags & PXA_FLAG_ENABLE_CLOCK_GATING)) { tmp = readw(host->ioaddr + SD_FIFO_PARAM); tmp &= ~CLK_GATE_SETTING_BITS; writew(tmp, host->ioaddr + SD_FIFO_PARAM); -- 2.11.0