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authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2017-11-01 23:08:45 +0100
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2017-11-03 19:41:32 +0100
commit03dafe3202372e557f7125dc8155cb1d564d1f5e (patch)
tree5e289dc97ea58422161586391d1255e4175365d9
parent0555cb2ea9bdc8e210e87e009154954a9bbc3a55 (diff)
Enable further warning flags, address new warnings
mtd_debug: Remove a duplicate if case. MTD_CAP_NANDFLASH has only one flag set (MTD_WRITEABLE). Directly below, we had a check for MTD_WRITEABLE in the else branch which can't possible ever have triggered. Checking for MTD_WRITEABLE in addition to the CAP constants was probably not intended anyway, given the check for the individual flags if all else fails. integck: We already established that "r" is less than the number of elements in the list, so the loop condition doesn't need to check if w is NULL in addition. At least this way, the compiler "gets" that w cannot be NULL below and doesn't issue warnings. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
-rw-r--r--configure.ac4
-rw-r--r--misc-utils/mtd_debug.c2
-rw-r--r--tests/fs-tests/integrity/integck.c2
3 files changed, 5 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac
index 3223c61..83d754f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -40,6 +40,10 @@ UL_WARN_ADD([-Wunused-but-set-variable])
UL_WARN_ADD([-Wunused-parameter])
UL_WARN_ADD([-Wunused-result])
UL_WARN_ADD([-Wunused-variable])
+UL_WARN_ADD([-Wduplicated-cond])
+UL_WARN_ADD([-Wduplicated-branches])
+UL_WARN_ADD([-Wrestrict])
+UL_WARN_ADD([-Wnull-dereference])
UL_WARN_ADD([-Wno-shadow])
UL_WARN_ADD([-Wno-sign-compare])
diff --git a/misc-utils/mtd_debug.c b/misc-utils/mtd_debug.c
index 1fd6871..ac37e23 100644
--- a/misc-utils/mtd_debug.c
+++ b/misc-utils/mtd_debug.c
@@ -286,8 +286,6 @@ static int showinfo(int fd)
printf("MTD_CAP_NORFLASH");
else if (mtd.flags == MTD_CAP_NANDFLASH)
printf("MTD_CAP_NANDFLASH");
- else if (mtd.flags == MTD_WRITEABLE)
- printf("MTD_WRITEABLE");
else {
int first = 1;
static struct {
diff --git a/tests/fs-tests/integrity/integck.c b/tests/fs-tests/integrity/integck.c
index cac145d..84753d6 100644
--- a/tests/fs-tests/integrity/integck.c
+++ b/tests/fs-tests/integrity/integck.c
@@ -1164,7 +1164,7 @@ static int file_mmap_write(struct file_info *file)
}
r = random_no(write_cnt);
w = file->writes;
- for (i = 0; w && w->next && i < r; i++)
+ for (i = 0; i < r; i++)
w = w->next;
offs = (w->offset / fsinfo.page_size) * fsinfo.page_size;