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mmc: sdhci-s3c: fix potential NULL dereference

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sc->clk_bus[ptr] could be NULL.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Jaehoon Chung 2011-10-12 13:14:29 +09:00 committed by Chris Ball
parent a3c76eb9d4
commit 326adda53a
1 changed files with 4 additions and 2 deletions
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6
drivers/mmc/host/sdhci-s3c.c
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@ -567,8 +567,10 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
err_req_regs: err_req_regs:
for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) { for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) {
clk_disable(sc->clk_bus[ptr]); if (sc->clk_bus[ptr]) {
clk_put(sc->clk_bus[ptr]); clk_disable(sc->clk_bus[ptr]);
clk_put(sc->clk_bus[ptr]);
}
} }
err_no_busclks: err_no_busclks: