diff options
| author | Jaehoon Chung | 2011-10-12 06:14:29 +0200 |
|---|---|---|
| committer | Chris Ball | 2011-10-26 22:32:22 +0200 |
| commit | 326adda53a50ece492c3edaa60afc26fba5e3232 (patch) | |
| tree | 5ca2a03185d9e85a531585201c61fb2ede0100fe /drivers/mmc | |
| parent | mmc: replace printk with appropriate display macro (diff) | |
| download | kernel-qcow2-linux-326adda53a50ece492c3edaa60afc26fba5e3232.tar.gz kernel-qcow2-linux-326adda53a50ece492c3edaa60afc26fba5e3232.tar.xz kernel-qcow2-linux-326adda53a50ece492c3edaa60afc26fba5e3232.zip | |
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>
Diffstat (limited to 'drivers/mmc')
| -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 82709b6da861..3d00e722efc9 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: |