evie/android_kernel_oneplus_msm8998
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Merge "scsi: ufs: Fix stack overflow read in ufs debugfs driver"

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Linux Build Service Account 2017-10-24 20:02:45 -07:00 • committed by Gerrit - the friendly Code Review server
commit b895f07a61
1 changed files with 2 additions and 1 deletions
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3
drivers/scsi/ufs/ufs-qcom-debugfs.c
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@ -111,7 +111,7 @@ static ssize_t ufs_qcom_dbg_testbus_cfg_write(struct file *file,
loff_t *ppos) loff_t *ppos)
{ {
struct ufs_qcom_host *host = file->f_mapping->host->i_private; struct ufs_qcom_host *host = file->f_mapping->host->i_private;
char configuration[TESTBUS_CFG_BUFF_LINE_SIZE] = {0}; char configuration[TESTBUS_CFG_BUFF_LINE_SIZE] = {'\0'};
loff_t buff_pos = 0; loff_t buff_pos = 0;
char *comma; char *comma;
int ret = 0; int ret = 0;
@ -128,6 +128,7 @@ static ssize_t ufs_qcom_dbg_testbus_cfg_write(struct file *file,
__func__); __func__);
goto out; goto out;
} }
configuration[ret] = '\0';
comma = strnchr(configuration, TESTBUS_CFG_BUFF_LINE_SIZE, ','); comma = strnchr(configuration, TESTBUS_CFG_BUFF_LINE_SIZE, ',');
if (!comma || comma == configuration) { if (!comma || comma == configuration) {