shithub: 9pro

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fix a memory leak

--- a/9pex.c

+++ b/9pex.c

@@ -642,7 +642,7 @@

 	ssize_t n;

 	C9stat c9st[16], *c9stp[16];

 	long dirpos[16];

-	int i, num;

+	int i, num, res;

 	if (size > c->msize - 12) /* make sure it fits */

 		size = c->msize - 12;

@@ -654,9 +654,12 @@

 		}

 		if ((n = pread(f->fd, p, size, offset)) < 0) {

 			*err = strerror(errno);

+			free(p);

 			return -1;

 		}

-		if (s9do(s9read(c, tag, p, n), err) != 0)

+		res = s9do(s9read(c, tag, p, n), err);

+		free(p);

+		if (res != 0)

 			return -1;

 		trace("<- Rread tag=%d count=%zd data=...\n", tag, n);

 		return 0;