pseries/papr-hvpipe: Fix style and checkpatch issues in enable_hvpipe_IRQ()

While at it let's also fix the similar style issue in
enable_hvpipe_IRQ() function. This also fixes a minor checkpatch warning
which I got due to an extra space before " ==".

Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/1174f60d0ae128e773dbefd11dd8d46d69e7f50e.1777606826.git.ritesh.list@gmail.com

diff --git a/arch/powerpc/platforms/pseries/papr-hvpipe.c b/arch/powerpc/platforms/pseries/papr-hvpipe.c
index 3688b2be0445e82534a4c06159b96d2c3e8d1f0a..0c40bdde45e27f6f74371479ae59f806c096ebb6 100644 (file)
--- a/arch/powerpc/platforms/pseries/papr-hvpipe.c
+++ b/arch/powerpc/platforms/pseries/papr-hvpipe.c
@@ -693,20 +693,19 @@ static int __init enable_hvpipe_IRQ(void)
        struct device_node *np;
 
        hvpipe_check_exception_token = rtas_function_token(RTAS_FN_CHECK_EXCEPTION);
-       if (hvpipe_check_exception_token  == RTAS_UNKNOWN_SERVICE)
+       if (hvpipe_check_exception_token == RTAS_UNKNOWN_SERVICE)
                return -ENODEV;
 
        /* hvpipe events */
        np = of_find_node_by_path("/event-sources/ibm,hvpipe-msg-events");
-       if (np != NULL) {
-               request_event_sources_irqs(np, hvpipe_event_interrupt,
-                                       "HPIPE_EVENT");
-               of_node_put(np);
-       } else {
-               pr_err("Can not enable hvpipe event IRQ\n");
+       if (!np) {
+               pr_err("No device node found, could not enable hvpipe event IRQ\n");
                return -ENODEV;
        }
 
+       request_event_sources_irqs(np, hvpipe_event_interrupt, "HPIPE_EVENT");
+       of_node_put(np);
+
        return 0;
 }