cxl/pci: Drop shadowed variable

0day reports that wait_for_media_ready() declares an @rc variable twice.

>> drivers/cxl/pci.c:439:7: warning: Local variable 'rc' shadows outer variable [shadowVariable]
int rc;
^
drivers/cxl/pci.c:431:6: note: Shadowed declaration
int rc, i;
^
drivers/cxl/pci.c:439:7: note: Shadow variable
int rc;
^

Cc: Randy Dunlap <[e-mail]>
Fixes: 523e594d9cc0 ("cxl/pci: Implement wait for media active")
Acked-by: Randy Dunlap <[e-mail]>
Tested-by: Randy Dunlap <[e-mail]>
Reported-by: kernel test robot <[e-mail]>
Reviewed-by: Vishal Verma <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Dan Williams <[e-mail]>

drivers/cxl/pci.c

···
 
 	for (i = mbox_ready_timeout; i; i--) {
 		u32 temp;
-		int rc;
 
 		rc = pci_read_config_dword(
 			pdev, d + CXL_DVSEC_RANGE_SIZE_LOW(0), &temp);