From: Marcin Slusarz Date: Fri, 8 Feb 2008 12:20:48 +0000 (-0800) Subject: udf: fix 3 signedness & 1 unitialized variable warnings X-Git-Tag: v2.6.25-rc1~132 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1ed161718a8f763130e6e349f2bbb1b764e6c5b3;p=linux-2.6 udf: fix 3 signedness & 1 unitialized variable warnings sparse generated: fs/udf/inode.c:324:41: warning: incorrect type in argument 4 (different signedness) fs/udf/inode.c:324:41: expected long * fs/udf/inode.c:324:41: got unsigned long * inode_getblk always set 4th argument to uint32_t value 3rd parameter of map_bh is sector_t (which is unsigned long or u64) so convert phys value to sector_t fs/udf/inode.c:1818:47: warning: incorrect type in argument 3 (different signedness) fs/udf/inode.c:1818:47: expected int * fs/udf/inode.c:1818:47: got unsigned int * fs/udf/inode.c:1826:46: warning: incorrect type in argument 3 (different signedness) fs/udf/inode.c:1826:46: expected int * fs/udf/inode.c:1826:46: got unsigned int * udf_get_filelongad and udf_get_shortad are called always for uint32_t values (struct extent_position->offset), so it's safe to convert offset parameter to uint32_t gcc warned: fs/udf/inode.c: In function 'udf_get_block': fs/udf/inode.c:299: warning: 'phys' may be used uninitialized in this function initialize it to 0 (if someday someone will break inode_getblk we will catch it immediately) Signed-off-by: Marcin Slusarz Cc: Ben Fennema Acked-by: Jan Kara Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/fs/udf/directory.c b/fs/udf/directory.c index d8ceb44f4f..be16d7698a 100644 --- a/fs/udf/directory.c +++ b/fs/udf/directory.c @@ -282,7 +282,7 @@ static extent_ad *udf_get_fileextent(void *buffer, int bufsize, int *offset) } #endif -short_ad *udf_get_fileshortad(uint8_t *ptr, int maxoffset, int *offset, +short_ad *udf_get_fileshortad(uint8_t *ptr, int maxoffset, uint32_t *offset, int inc) { short_ad *sa; @@ -292,7 +292,7 @@ short_ad *udf_get_fileshortad(uint8_t *ptr, int maxoffset, int *offset, return NULL; } - if ((*offset < 0) || ((*offset + sizeof(short_ad)) > maxoffset)) + if ((*offset + sizeof(short_ad)) > maxoffset) return NULL; else { sa = (short_ad *)ptr; @@ -305,7 +305,7 @@ short_ad *udf_get_fileshortad(uint8_t *ptr, int maxoffset, int *offset, return sa; } -long_ad *udf_get_filelongad(uint8_t *ptr, int maxoffset, int *offset, int inc) +long_ad *udf_get_filelongad(uint8_t *ptr, int maxoffset, uint32_t *offset, int inc) { long_ad *la; @@ -314,7 +314,7 @@ long_ad *udf_get_filelongad(uint8_t *ptr, int maxoffset, int *offset, int inc) return NULL; } - if ((*offset < 0) || ((*offset + sizeof(long_ad)) > maxoffset)) + if ((*offset + sizeof(long_ad)) > maxoffset) return NULL; else { la = (long_ad *)ptr; diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 6b4409f501..466d2eea0e 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -52,7 +52,7 @@ static int udf_update_inode(struct inode *, int); static void udf_fill_inode(struct inode *, struct buffer_head *); static int udf_alloc_i_data(struct inode *inode, size_t size); static struct buffer_head *inode_getblk(struct inode *, sector_t, int *, - long *, int *); + sector_t *, int *); static int8_t udf_insert_aext(struct inode *, struct extent_position, kernel_lb_addr, uint32_t); static void udf_split_extents(struct inode *, int *, int, int, @@ -307,7 +307,7 @@ static int udf_get_block(struct inode *inode, sector_t block, { int err, new; struct buffer_head *bh; - unsigned long phys; + sector_t phys = 0; struct udf_inode_info *iinfo; if (!create) { @@ -489,7 +489,7 @@ out: } static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, - int *err, long *phys, int *new) + int *err, sector_t *phys, int *new) { static sector_t last_block; struct buffer_head *result = NULL; diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h index d9b8e281b9..681dc2b66c 100644 --- a/fs/udf/udfdecl.h +++ b/fs/udf/udfdecl.h @@ -188,8 +188,8 @@ extern struct fileIdentDesc *udf_fileident_read(struct inode *, loff_t *, sector_t *); extern struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, int *offset); -extern long_ad *udf_get_filelongad(uint8_t *, int, int *, int); -extern short_ad *udf_get_fileshortad(uint8_t *, int, int *, int); +extern long_ad *udf_get_filelongad(uint8_t *, int, uint32_t *, int); +extern short_ad *udf_get_fileshortad(uint8_t *, int, uint32_t *, int); /* crc.c */ extern uint16_t udf_crc(uint8_t *, uint32_t, uint16_t);