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ustream: suppress write attempts in ustream_printf and ustream_vprintf if a write error was flagged

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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
This commit is contained in:
Felix Fietkau 2012-12-30 15:46:18 +01:00
parent 975ac3e5e3
commit 84822fd6d5
1 changed files with 6 additions and 0 deletions
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6
ustream.c
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@ -435,6 +435,9 @@ int ustream_vprintf(struct ustream *s, const char *format, va_list arg)
va_list arg2;
int wr, maxlen, buflen;
if (s->write_error)
return 0;
if (!l->data_bytes) {
buf = alloca(MAX_STACK_BUFLEN);
va_copy(arg2, arg);
@ -493,6 +496,9 @@ int ustream_printf(struct ustream *s, const char *format, ...)
va_list arg;
int ret;
if (s->write_error)
return 0;
va_start(arg, format);
ret = ustream_vprintf(s, format, arg);
va_end(arg);