From: Alex Shi <[email protected]> err is duplicated with errno, and never used. So remove it to fix warnning: arch/um/os-Linux/umid.c:139:16: warning: variable 'err' set but not used [-Wunused-but-set-variable] 139 | int fd, p, n, err; | ^
Reported-by: kernel test robot <[email protected]> Signed-off-by: Alex Shi <[email protected]> Cc: [email protected] Cc: Johannes Berg <[email protected]> Cc: Anton Ivanov <[email protected]> Cc: Richard Weinberger <[email protected]> --- arch/um/os-Linux/umid.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/um/os-Linux/umid.c b/arch/um/os-Linux/umid.c index eb523ab1e218..6b488be2c545 100644 --- a/arch/um/os-Linux/umid.c +++ b/arch/um/os-Linux/umid.c @@ -136,7 +136,7 @@ static int remove_files_and_dir(char *dir) static inline int is_umdir_used(char *dir) { char pid[sizeof("nnnnnnnnn")], *end, *file; - int fd, p, n, err; + int fd, p, n; size_t filelen = strlen(dir) + sizeof("/pid") + 1; file = malloc(filelen); @@ -155,7 +155,6 @@ static inline int is_umdir_used(char *dir) goto out; } - err = 0; n = read(fd, pid, sizeof(pid)); if (n < 0) { printk(UM_KERN_ERR "is_umdir_used : couldn't read pid file " -- 2.43.0
