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s390/dasd: Fix a precision vs width bug in dasd_feature_list()

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The "len" variable is the length of the option up to the next option or
to the end of the string which ever first.  We want to print the invalid
option so we want precision "%.*s" but the format is width "%*s" so it
prints up to the end of the string.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Tested-by: Stefan Haberland <sth@linux.ibm.com>
Signed-off-by: Stefan Haberland <sth@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Dan Carpenter 2019-06-26 13:06:58 +03:00 committed by Vasily Gorbik
parent ebc3d17915
commit 83eb1a4150
1 changed files with 1 additions and 1 deletions
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2
drivers/s390/block/dasd_devmap.c
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@ -203,7 +203,7 @@ static int __init dasd_feature_list(char *str)
else if (len == 8 && !strncmp(str, "failfast", 8))
features |= DASD_FEATURE_FAILFAST;
else {
pr_warn("%*s is not a supported device option\n",
pr_warn("%.*s is not a supported device option\n",
len, str);
rc = -EINVAL;
}