diff options
author | Jaehoon Chung <jh80.chung@samsung.com> | 2011-10-12 04:14:29 (GMT) |
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committer | Chris Ball <cjb@laptop.org> | 2011-10-26 20:32:22 (GMT) |
commit | 326adda53a50ece492c3edaa60afc26fba5e3232 (patch) | |
tree | 5ca2a03185d9e85a531585201c61fb2ede0100fe | |
parent | a3c76eb9d4a1e68a69dd880cf0bcb8a52418b993 (diff) | |
download | linux-fsl-qoriq-326adda53a50ece492c3edaa60afc26fba5e3232.tar.xz |
mmc: sdhci-s3c: fix potential NULL dereference
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>
-rw-r--r-- | drivers/mmc/host/sdhci-s3c.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c index 82709b6..3d00e72 100644 --- a/drivers/mmc/host/sdhci-s3c.c +++ b/drivers/mmc/host/sdhci-s3c.c @@ -567,8 +567,10 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) err_req_regs: for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) { - clk_disable(sc->clk_bus[ptr]); - clk_put(sc->clk_bus[ptr]); + if (sc->clk_bus[ptr]) { + clk_disable(sc->clk_bus[ptr]); + clk_put(sc->clk_bus[ptr]); + } } err_no_busclks: |