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NFS: silence a harmless uninitialized variable warning 

kstrtoul() can return -ERANGE so Smatch complains that "num" can be
uninitialized.  We check that it's within bounds so it's not a huge
deal.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
hifive-unleashed-5.1
Dan Carpenter 2018-07-12 15:29:29 +03:00 committed by Anna Schumaker
parent 016583d703
commit 379ebf0796
1 changed files with 1 additions and 1 deletions
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fs/nfs/super.c
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@ -2899,7 +2899,7 @@ static int param_set_portnr(const char *val, const struct kernel_param *kp)
if (!val)
return -EINVAL;
ret = kstrtoul(val, 0, &num);
if (ret == -EINVAL || num > NFS_CALLBACK_MAXPORTNR)
if (ret || num > NFS_CALLBACK_MAXPORTNR)
return -EINVAL;
*((unsigned int *)kp->arg) = num;
return 0;