scsi: sg: Remove unnecessary NULL check before unregister_sysctl_table()

unregister_sysctl_table() checks for NULL pointers internally.  Remove
unneeded NULL check here.

Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Link: https://lore.kernel.org/r/20250514032845.2317700-1-nichen@iscas.ac.cn
Reviewed-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index effb7e76816596e1ba4f81f84ae7141f429ae231..3c02a5f7b5f395610b3cf1c1d8d21ec55e9e6d2f 100644 (file)
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1658,8 +1658,7 @@ static void register_sg_sysctls(void)
 
 static void unregister_sg_sysctls(void)
 {
-       if (hdr)
-               unregister_sysctl_table(hdr);
+       unregister_sysctl_table(hdr);
 }
 #else
 #define register_sg_sysctls() do { } while (0)