scripts/kallsyms: Enable error messages while hush up unnecessary warnings

As no error was handled, we wouldn't be able to know when an error does
occur. The fix preserves error messages while it doesn't let unnecessary
compiling warnings show up.

Signed-off-by: Jean Sacren <sakiwit@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>

diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index e3902fb39afd1f2c53f63c0cfa9aaa1273956a02..60dd3eb9366e4c5404383285df6cee3886bfa699 100644 (file)
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -107,12 +107,8 @@ static int read_symbol(FILE *in, struct sym_entry *s)
 
        rc = fscanf(in, "%llx %c %499s\n", &s->addr, &stype, str);
        if (rc != 3) {
-               if (rc != EOF) {
-                       /* skip line. sym is used as dummy to
-                        * shut of "warn_unused_result" warning.
-                        */
-                       sym = fgets(str, 500, in);
-               }
+               if (rc != EOF && fgets(str, 500, in) == NULL)
+                       fprintf(stderr, "Read error or end of file.\n");
                return -1;
        }