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framework: fix null deref if no tty

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Change-Id: I859a390e830d43e921244a8a482a63e5c8afe56c
Signed-off-by: Takeshi Yoshimura <tyos@jp.ibm.com>
Reviewed-on: https://review.gerrithub.io/424016
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
This commit is contained in:
Takeshi Yoshimura 2018-08-30 08:47:56 +00:00 committed by Jim Harris
parent 33ccbba438
commit da395009fa
1 changed files with 4 additions and 1 deletions
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5
lib/event/app.c
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@ -546,6 +546,7 @@ spdk_app_start(struct spdk_app_opts *opts, spdk_event_fn start_fn,
struct spdk_conf *config = NULL;
int rc;
struct spdk_event *rpc_start_event;
char *tty;
if (!opts) {
SPDK_ERRLOG("opts should not be NULL\n");
@ -557,9 +558,11 @@ spdk_app_start(struct spdk_app_opts *opts, spdk_event_fn start_fn,
return 1;
}
tty = ttyname(STDERR_FILENO);
if (opts->print_level > SPDK_LOG_WARN &&
isatty(STDERR_FILENO) &&
!strncmp(ttyname(STDERR_FILENO), "/dev/tty", strlen("/dev/tty"))) {
tty &&
!strncmp(tty, "/dev/tty", strlen("/dev/tty"))) {
printf("Warning: printing stderr to console terminal without -q option specified.\n");
printf("Suggest using --silence-noticelog to disable logging to stderr and\n");
printf("monitor syslog, or redirect stderr to a file.\n");