evie/android_kernel_oneplus_msm8998
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msm: mdss: dp: fix hpd sysfs node

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Fix the return value for hpd sysfs write function
to avoid wrong data to propagate to the caller.

Change-Id: Ic2282496598ecba8511f3a0a826e152451394edb
Signed-off-by: Ajay Singh Parmar <aparmar@codeaurora.org>
This commit is contained in:
Ajay Singh Parmar 2017-01-11 22:50:25 -08:00 • committed by Gerrit - the friendly Code Review server
parent 70a007e5b3
commit f03a091017
1 changed files with 5 additions and 4 deletions
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9
drivers/video/fbdev/msm/mdss_dp.c
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@ -1993,7 +1993,7 @@ static ssize_t mdss_dp_rda_psm(struct device *dev,
static ssize_t mdss_dp_wta_hpd(struct device *dev, static ssize_t mdss_dp_wta_hpd(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count) struct device_attribute *attr, const char *buf, size_t count)
{ {
int hpd; int hpd, rc;
ssize_t ret = strnlen(buf, PAGE_SIZE); ssize_t ret = strnlen(buf, PAGE_SIZE);
struct mdss_dp_drv_pdata *dp = mdss_dp_get_drvdata(dev); struct mdss_dp_drv_pdata *dp = mdss_dp_get_drvdata(dev);
@ -2003,9 +2003,10 @@ static ssize_t mdss_dp_wta_hpd(struct device *dev,
goto end; goto end;
} }
ret = kstrtoint(buf, 10, &hpd); rc = kstrtoint(buf, 10, &hpd);
if (ret) { if (rc) {
pr_err("kstrtoint failed. ret=%d\n", (int)ret); pr_err("kstrtoint failed. ret=%d\n", rc);
ret = rc;
goto end; goto end;
} }