* [PATCH 0/2] sh/intc: Adjustments for add_virq_to_pirq()
@ 2017-05-16 18:52 ` SF Markus Elfring
0 siblings, 0 replies; 6+ messages in thread
From: SF Markus Elfring @ 2017-05-16 18:52 UTC (permalink / raw)
To: linux-sh, Andrew Morton, Jan Kara, Johannes Weiner, Rich Felker,
Yoshinori Sato
Cc: LKML, kernel-janitors
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Tue, 16 May 2017 20:42:10 +0200
Two update suggestions were taken into account
from static source code analysis.
Markus Elfring (2):
Improve a size determination
Delete an error message for a failed memory allocation
drivers/sh/intc/virq.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
--
2.13.0
^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH 0/2] sh/intc: Adjustments for add_virq_to_pirq()
@ 2017-05-16 18:52 ` SF Markus Elfring
0 siblings, 0 replies; 6+ messages in thread
From: SF Markus Elfring @ 2017-05-16 18:52 UTC (permalink / raw)
To: linux-sh, Andrew Morton, Jan Kara, Johannes Weiner, Rich Felker,
Yoshinori Sato
Cc: LKML, kernel-janitors
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Tue, 16 May 2017 20:42:10 +0200
Two update suggestions were taken into account
from static source code analysis.
Markus Elfring (2):
Improve a size determination
Delete an error message for a failed memory allocation
drivers/sh/intc/virq.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
--
2.13.0
^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH 1/2] sh/intc: Improve a size determination in add_virq_to_pirq()
2017-05-16 18:52 ` SF Markus Elfring
@ 2017-05-16 18:54 ` SF Markus Elfring
-1 siblings, 0 replies; 6+ messages in thread
From: SF Markus Elfring @ 2017-05-16 18:54 UTC (permalink / raw)
To: linux-sh, Andrew Morton, Jan Kara, Johannes Weiner, Rich Felker,
Yoshinori Sato
Cc: LKML, kernel-janitors
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Tue, 16 May 2017 19:56:47 +0200
Replace the specification of a data structure by a pointer dereference
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer according to the Linux coding style convention.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
drivers/sh/intc/virq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/sh/intc/virq.c b/drivers/sh/intc/virq.c
index 35bbe288ddb4..2079425c95ed 100644
--- a/drivers/sh/intc/virq.c
+++ b/drivers/sh/intc/virq.c
@@ -93,5 +93,5 @@ static int add_virq_to_pirq(unsigned int irq, unsigned int virq)
last = &entry->next;
}
- entry = kzalloc(sizeof(struct intc_virq_list), GFP_ATOMIC);
+ entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
if (!entry) {
--
2.13.0
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH 1/2] sh/intc: Improve a size determination in add_virq_to_pirq()
@ 2017-05-16 18:54 ` SF Markus Elfring
0 siblings, 0 replies; 6+ messages in thread
From: SF Markus Elfring @ 2017-05-16 18:54 UTC (permalink / raw)
To: linux-sh, Andrew Morton, Jan Kara, Johannes Weiner, Rich Felker,
Yoshinori Sato
Cc: LKML, kernel-janitors
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Tue, 16 May 2017 19:56:47 +0200
Replace the specification of a data structure by a pointer dereference
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer according to the Linux coding style convention.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
drivers/sh/intc/virq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/sh/intc/virq.c b/drivers/sh/intc/virq.c
index 35bbe288ddb4..2079425c95ed 100644
--- a/drivers/sh/intc/virq.c
+++ b/drivers/sh/intc/virq.c
@@ -93,5 +93,5 @@ static int add_virq_to_pirq(unsigned int irq, unsigned int virq)
last = &entry->next;
}
- entry = kzalloc(sizeof(struct intc_virq_list), GFP_ATOMIC);
+ entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
if (!entry) {
--
2.13.0
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH 2/2] sh/intc: Delete an error message for a failed memory allocation in add_virq_to_pirq()
2017-05-16 18:52 ` SF Markus Elfring
@ 2017-05-16 18:55 ` SF Markus Elfring
-1 siblings, 0 replies; 6+ messages in thread
From: SF Markus Elfring @ 2017-05-16 18:55 UTC (permalink / raw)
To: linux-sh, Andrew Morton, Jan Kara, Johannes Weiner, Rich Felker,
Yoshinori Sato
Cc: LKML, kernel-janitors, Wolfram Sang
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Tue, 16 May 2017 20:23:43 +0200
Omit an extra message for a memory allocation failure in this function.
This issue was detected by using the Coccinelle software.
Link: http://events.linuxfoundation.org/sites/events/files/slides/LCJ16-Refactor_Strings-WSang_0.pdf
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
drivers/sh/intc/virq.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/sh/intc/virq.c b/drivers/sh/intc/virq.c
index 2079425c95ed..79d733f3411a 100644
--- a/drivers/sh/intc/virq.c
+++ b/drivers/sh/intc/virq.c
@@ -97,7 +97,5 @@ static int add_virq_to_pirq(unsigned int irq, unsigned int virq)
- if (!entry) {
- pr_err("can't allocate VIRQ mapping for %d\n", virq);
+ if (!entry)
return -ENOMEM;
- }
entry->irq = virq;
--
2.13.0
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH 2/2] sh/intc: Delete an error message for a failed memory allocation in add_virq_to_pirq()
@ 2017-05-16 18:55 ` SF Markus Elfring
0 siblings, 0 replies; 6+ messages in thread
From: SF Markus Elfring @ 2017-05-16 18:55 UTC (permalink / raw)
To: linux-sh, Andrew Morton, Jan Kara, Johannes Weiner, Rich Felker,
Yoshinori Sato
Cc: LKML, kernel-janitors, Wolfram Sang
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Tue, 16 May 2017 20:23:43 +0200
Omit an extra message for a memory allocation failure in this function.
This issue was detected by using the Coccinelle software.
Link: http://events.linuxfoundation.org/sites/events/files/slides/LCJ16-Refactor_Strings-WSang_0.pdf
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
drivers/sh/intc/virq.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/sh/intc/virq.c b/drivers/sh/intc/virq.c
index 2079425c95ed..79d733f3411a 100644
--- a/drivers/sh/intc/virq.c
+++ b/drivers/sh/intc/virq.c
@@ -97,7 +97,5 @@ static int add_virq_to_pirq(unsigned int irq, unsigned int virq)
- if (!entry) {
- pr_err("can't allocate VIRQ mapping for %d\n", virq);
+ if (!entry)
return -ENOMEM;
- }
entry->irq = virq;
--
2.13.0
^ permalink raw reply related [flat|nested] 6+ messages in thread
end of thread, other threads:[~2017-05-16 18:56 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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2017-05-16 18:52 [PATCH 0/2] sh/intc: Adjustments for add_virq_to_pirq() SF Markus Elfring
2017-05-16 18:52 ` SF Markus Elfring
2017-05-16 18:54 ` [PATCH 1/2] sh/intc: Improve a size determination in add_virq_to_pirq() SF Markus Elfring
2017-05-16 18:54 ` SF Markus Elfring
2017-05-16 18:55 ` [PATCH 2/2] sh/intc: Delete an error message for a failed memory allocation " SF Markus Elfring
2017-05-16 18:55 ` SF Markus Elfring
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