Simplify check

This commit is contained in:
Arun Prakash Jana 2020-06-25 19:59:47 +05:30
parent 235eb29614
commit 37e5e6189a
No known key found for this signature in database
GPG key ID: A75979F35C080412

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@ -4321,13 +4321,11 @@ static void readpipe(int fd, char **path, char **lastname, char **lastdir)
char ctx, *nextpath = NULL;
ssize_t len = read_nointr(fd, g_buf, 1);
if (len != 1)
if (len != 1 || g_buf[0] < '0')
return;
if (g_buf[0] == '+')
ctx = (char)(get_free_ctx() + 1);
else if (g_buf[0] < '0')
return;
else {
ctx = g_buf[0] - '0';
if (ctx > CTX_MAX)