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authorFelix Fietkau <nbd@openwrt.org>2009-09-21 19:13:34 +0000
committerFelix Fietkau <nbd@openwrt.org>2009-09-21 19:13:34 +0000
commit5b027739405dc0f0dcee3588a17df19cae11eda9 (patch)
tree093bcee8a4012917f9e2b38ae61199bcc46dc91c /package/mtd/src
parentf2c1e05f37e6cc0e5365830fd6b2ca59ebc95d76 (diff)
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mtd: fix wrong open() return code checks
SVN-Revision: 17666
Diffstat (limited to 'package/mtd/src')
-rw-r--r--package/mtd/src/jffs2.c6
-rw-r--r--package/mtd/src/mtd.c12
2 files changed, 9 insertions, 9 deletions
diff --git a/package/mtd/src/jffs2.c b/package/mtd/src/jffs2.c
index 18eb4e6869..49a7d56120 100644
--- a/package/mtd/src/jffs2.c
+++ b/package/mtd/src/jffs2.c
@@ -42,7 +42,7 @@ static int last_ino = 0;
static int last_version = 0;
static char *buf = NULL;
static int ofs = 0;
-static int outfd = 0;
+static int outfd = -1;
static int mtdofs = 0;
static int target_ino = 0;
@@ -186,7 +186,7 @@ static void add_file(const char *name, int parent)
ri.usercompr = 0;
fd = open(name, 0);
- if (fd <= 0) {
+ if (fd < 0) {
fprintf(stderr, "File %s does not exist\n", name);
return;
}
@@ -282,7 +282,7 @@ int mtd_write_jffs2(const char *mtd, const char *filename, const char *dir)
int err = -1, fdeof = 0;
outfd = mtd_check_open(mtd);
- if (!outfd)
+ if (outfd < 0)
return -1;
if (quiet < 2)
diff --git a/package/mtd/src/mtd.c b/package/mtd/src/mtd.c
index bd966ab7dc..2639b4ebb5 100644
--- a/package/mtd/src/mtd.c
+++ b/package/mtd/src/mtd.c
@@ -98,13 +98,13 @@ int mtd_check_open(const char *mtd)
fd = mtd_open(mtd, false);
if(fd < 0) {
fprintf(stderr, "Could not open mtd device: %s\n", mtd);
- return 0;
+ return -1;
}
if(ioctl(fd, MEMGETINFO, &mtdInfo)) {
fprintf(stderr, "Could not get MTD device info from %s\n", mtd);
close(fd);
- return 0;
+ return -1;
}
mtdsize = mtdInfo.size;
erasesize = mtdInfo.erasesize;
@@ -162,7 +162,7 @@ static int mtd_check(const char *mtd)
}
fd = mtd_check_open(mtd);
- if (!fd)
+ if (fd < 0)
return 0;
if (!buf)
@@ -199,7 +199,7 @@ mtd_unlock(const char *mtd)
}
fd = mtd_check_open(mtd);
- if(fd <= 0) {
+ if(fd < 0) {
fprintf(stderr, "Could not open mtd device: %s\n", mtd);
exit(1);
}
@@ -230,7 +230,7 @@ mtd_erase(const char *mtd)
fprintf(stderr, "Erasing %s ...\n", mtd);
fd = mtd_check_open(mtd);
- if(fd <= 0) {
+ if(fd < 0) {
fprintf(stderr, "Could not open mtd device: %s\n", mtd);
exit(1);
}
@@ -260,7 +260,7 @@ mtd_refresh(const char *mtd)
fprintf(stderr, "Refreshing mtd partition %s ... ", mtd);
fd = mtd_check_open(mtd);
- if(fd <= 0) {
+ if(fd < 0) {
fprintf(stderr, "Could not open mtd device: %s\n", mtd);
exit(1);
}